A Spherical Black Body With A Radius Of 12cm Radiates 450 Watt, A spherical black body with a radius of 12cm radiates 450W power at 500K . If the radius is halved and the temperature is doubled, then the power dissipated by the sphere is A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius is halved and the temperature doubled, the power radiated in watts would be Click here👆to get an answer to your question ️ A spherical black body with a radius of 12cm radiates 450W power at 500K. We are asked to find the rate of cooling of the black body. `900` A spherical black body with radius of $12 \mathrm {~cm}$ radiates $450 \mathrm {~W}$ power at $500 \mathrm {~K}$. Where: P is in watts and the Stefan-Boltzmann constant is approximately 5. 640 W C. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body of radius 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of 12 cm radiates 450power at 500 K. If the radius were halved, and the temperature doubled, the power radiated in watt would be" Added by Barry B. If the radius were halved and the temperature doubled, the A spherical black body of radius 12 cm radiates usow power at so0k. If the radius were halved and the temperature doubled, find the power radiated (in watts). If the radius is halved and the temperature doubled, the power radiated in watt would be A spherical black body of radius 12 cm radiates 450 W power at 500 K. 450 , , A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in wattt would A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be :- Q. If the radius were halved and the temperature be doubled, the power radiated in watt would be: A. If the radius were halved and the temperature doubled, the power radiated in watt would be : Q. If the radius were halved and the temperature doubled, A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watts would be A. If the radius were halved and the temperature doubled, the power radiated in watt would be View Solution Q 2 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 The power radiated by a black body is P and it radiates maximum energy at wavelength, λ0 . If the radius is halved and the temperature doubled, the power radiated would be A 160W B 409W C 2560W D 640W Views: 598 Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Note: To solve such types of questions one should carefully read the statements in the given question and figure out the kind of body that is emitting radiation whether it is black body or not. If the radius were halved and the temperature doubled, the power radiated in watt would be : A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of \ (12\) cm radiates \ (450\)-watt power at \ (500\) K. What would be the power of radiation if radius were to be halved and the temperature is doubled ? To calculate the power radiated by a black body, we can use the Stefan-Boltzmann law, which states that the power radiated by a black body is proportional to the fourth power of its A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. if the radius were halved and the temperature doubled, the power radiated in watt A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled,the power radiated in watt would be A spherical black body with a radius of 12cm radiates 450 watt power at 500 K . When radius of the sphere is A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. The new power is given by P 2 = 4πr22σT 24, where r2 = r1/2 and T 2 = 2T 1. If at another temperature T the power radiated is A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and the temperature is doubled, what would be the power radiated in watts? Click here👆to get an answer to your question ️ A spherical black body with a radius of 12cm radiates 450W power at 500K. If the radius were halved and the temperature doubled, the power radiated in W would be Q. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watts would be A spherical black body with radius \ ( 12 \mathrm {~cm} \) radiates \ ( 450 \mathrm {~W} \) power at \ ( 500 \mathrm {~K} \). A spherical black body with a radius of 12cm radiates 450 watt power at 500K. If the radius were halved and the temperature doubled, the power radiated in watt - 16258200 A spherical black body with a radius of 12 cm radiates 450 W of power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A 225 B 450 C 900 D 1800 Views: If the radius were halved and the temperature doubled, the power radiated in watt would be 1800 225 450 1000 A spherical black body with a radius of 12cm radiates 450 watt power at 500K. The lower (blue) curve is total A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and temperature is doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 W power at 50 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A. A spherical black body with a radius of 12cm radiates 440W power at 500K. NTA Abhyas 2022: A spherical black body with a radius of 12cm radiates 450W power at 500K . \ (225\) 2. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of `12cm` radiates `450W `power at `500K`. If the radius werehalved and the temperature doubled, the powerradiated in watt would be : A spherical black body with radius 12 cm radiates 640 w power at 500 K. If the radius were halved and the temperature doubled, the power A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be : Option 1) 225 Option 2) 450 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled. Students (upto class 10+2) preparing for A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in A spherical black body of radius 12 cm radiates 450 W power at 500 K. 225 B. 67 × 10^ (-8) W/m²K⁴ A = Surface area of the sphere – T = absolute temperature (in Kelvin) Given: – Initial radius . If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Apr 27,2025 - A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and temperature be doubled, the power radiated in watt would be Q. If the radius is halved and the temperature is doubled, then the power dissipated by the sphere is A spherical block body of radius 12cm radiates 450W power of 500k. A spherical black body with a radius of 12cm radiates 450W power at 500K. If the radius is halved and the temperature doubled, the power radiated in watts would be A. When the radius is halved and the temperature is doubled, A spherical black body with a radius of \ ( 12 \mathrm {~cm} \) radiates \ ( 450 \mathrm {~W} \) power at \ ( 500 \mathrm {~K} \). If the radius were halved and the temperature doubled, the power radiated in watt would be The correct answer is Power radiated by black body is P=σe4πr2T4⇒P∝r2T4⇒P1P2=r12T14r22T24 As T2=2T1 and r2=r12⇒P2=P1×4=450×4=1800W A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be :- Click here👆to get an answer to your question ️ adiates of the (C) 320 kcal/m2 min (d) 80 kcal/m2 min 12 20. If the radius were half and temperature A spherical black body with radius 12 cm radiates 640 w power at 500 K. If the radius were halved, and the temperature doubled, th A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. 2K subscribers Subscribed A spherical black body with a radius of 12 cm radiates 450 W power 50 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Solution For A spherical black body with radius of 10 cm radiates 500 W power at 400 K. A spherical black body with a radius of 12 c m radiates 450 w a t t power at 500 K. A spherical A spherical black body with a radius of 12cm radiates 450 watt power at 500 K. The correct answer is P is directly proportional to r2T4⇒P1P2 = (r1r2)2(T1T2)4P2 = 1800 watt A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were helved and the temperature doubled, the power radiated in watts would be2254509001800 Question A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be : AI Mentor Check Your IQ Free Total emitted energy, , of a black body as a function of its temperature, . If the radius were halved and th A spherical black body with a radius of \ ( 12 \mathrm {~cm} \) radiates \ ( 450 \mathrm {~W} \) power at \ ( 500 \mathrm {~K} \). A spherical black body with a radius of 12cm placed in space radiates 450W power at 500K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. 900 D. A spherical black Q. 450 C. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of \ (12\) cm radiates \ (450\)-watt power at \ (500\) K. 1800 A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Solution For A spherical black body with radius of 10 cm radiates 500 W power at 400 K . What would be the power of radiation if radius were to be halved and the temperature is doubled ? A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Solutions for A spherical black body with a radius of 12 cmradiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 watts of power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 W power at 50 K. If the radius is halved and A spherical body with radius 12 cm radiates 450 W power at 500K. If the radius were halved and the temperature doubled, the A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be : AI Mentor Check Your IQ Free A spherical black body with radius 12 cm radiates 640 w power at 500 K. If the radius is halved and the temperature doubled, the power radiated in watts would be A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If temperature is doubled and radius is halved, then power 3 radiated (in A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were helved and the temperature doubled, the power radiated in watts would be 225 450 900 1800 A spherical black body with radius 12cm radiates 640W power at 500K. Here you can find the meaning of A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. 1800. If the radius were halved and the temperature doubled, the power radiated in watt would be A 1000 B 1800 C 225 D 450 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K . If the radius were halved and the temperature doubled, the power A spherical black body of radius 12 cm radiates at the rate 450 W at 500 K. If the radius is halved and the temperature doubled, the power radiated in watts would be A black body emits radiation at the rate P when its temperature is T. If the radius we Q. If the radius were halved and the temperature doubled, the power radiated in watt would be : Find step-by-step Physics solutions and the answer to the textbook question A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and temperature is doubled, the power radiated in watt would be Responsive Block with Optimized Icons A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled the powerradiated in wa A spherical black body of radius 12 cm radiates 450 W power at 500 K. A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and th A spherical black body of radius 12cm radiates 450W power at 500K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. A spherical black body with a radius of 12cm radiates 450watt power at 500K. Therefore correct option O 1800 Explanation: A spherical black body with a radius of 12cm radiates 450 watt power at 500K. A spherical black body with a radius of \ (12\) cm radiates \ (450\)-watt power at \ (500\) K. If the radius were halved and the temperature do Q. If the radius were halved and the temperature doubled, the power radiated in Calculate the power radiated by a spherical black body using the Stefan-Boltzmann law. A spherical black body with a radius of `12cm` radiates `450W `power at `500K`. If the radius were halved and the temperature doubled, the power radiated in watt would be: A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If radius were halved and the temperature doubled,the power radiated in watt would be: If current in inductor A spherical black body with a radius of 12 cm radiates 450power at 500 K. If the radius were halved and the temperature doubled, what would be the A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K . If the radius were made half and if the temperature is doubled, the power radiated in watts would be given as, A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be The correct answer is Power radiated is given by P=4πr2σT4 or P∝r2T4∴P2P1=r2r12×T2T14=122×214=4or P2=4P1=4×450=1800 W JEE Main Percentile Predictor 2025 - Use the JEE Main 2025 Percentile predictor to estimate your percentile based on your expected JEE Main exam score. If the radius is halved and the temperature is doubled, the power radiated in watts would be Solution For A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated i A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. What would be the power rodi ated? A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. Click now to check your percentile. What would be the power of radiation if radius were to be halved and the temperature is doubled ? A spherical black body with a radius of 12cm radiates 450W power at 500K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12cm radiates 450 watt power at 500K. If the radius were halved and the temperature doubled, the power radiated in The correct answer is We know that power radiated is given byP=σT44πT2∝T4r2∴ P2P1=T2T14r2r12= (2)4×122=4or P2=4P1=4×450=1800 watt A spherical black body with a radius of 12 cm radiates 450 W power at 50 K. If the temperature of the black body is now changed so that it radiates maximum energy at wavelength 43 A spherical black body with a radius of \ (12~\text {cm}\) radiates \ (450~\text W\) power at \ (500~\text K. A spherical black body with radius 12cm radiates 450W power at 500K. A spherical black body with a radius A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, what would be the power radiated ? A spherical black body with a radius of 12cm radiates 440W power at 500K. Learn how temperature, radius, and sigma affect power radiated. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with a radius of 10 c m radiates 810 w a t t power at 900 K. If the radius is halved and the temperature doubled, the power radiated in watt would The power radiated by a black body is given by the Stefan-Boltzmann law: P = σAT^4, where σ is the Stefan-Boltzmann constant, A is the surface area of the Q. If the radius were halved and the temperature doubled, the power radiated in watt A spherical black body with a radius of 12cm radiates 450W power at 500K. Under thermodynamic equilibrium, emitted A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. 1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Click here👆to get an answer to your question ️ A spherical black body with a radius of 12cm radiates 450W power at 500K. 5120 W B. If the radius were halved and the temperature If radius were halved and temperature doubled, the power radiated in watt would be (a) 225 (b) 450 (c) 900 (d) 1800 A spherical black body with radius of 12 cm A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 A spherical black body with radius 12 cm radiates 640 W power at 500 K. A spherical black body with a radius of 12 cm radiates < 1440 W power at 500 K. If the radius was halved and the temperature doubled, the power radiated in watt would be: A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. \) If the radius were halved and the temperature is doubled, the power radiated in watts would be: A spherical black body with a radius of $12 \mathrm {~cm}$ radiates $450 \mathrm {~W}$ power of $500 \mathrm {~K}$. Since P 1 = 450 W, we have P 2 = 4×450 = 1800 W. If the radius were halved and the temperature doubled, the power radiated in watt would be: A spherical black body with a radius of $12cm$ radiates $450W$ power at $500K$. If the radius were halved and the temperature doubled, the power radiated in watt would be A. Also supports CBSE & ICSE Class 9-12 board exam preparation. If the radius is halved and the temperature doubled, the power radiated in watts would be A spherical black body with radius 12 cm radiates 640 w power at 500 K. A spherical black body with radius 12 cm radiates 640 w power at 500 K. If the radius were Jps Classes 13. If the radius were halved and the temperature doubled, the power radiated in watt would be see full answer NEET & JEE aspirants choose OrcusPrep for AI-powered practice, 10,000+ questions, mock tests, and NCERT-based chapter-wise prep. Similar questions Q. If the radius were halved and the temperature doubled, the power radiated in watt would be A 225 B 450 C 900 D 1800 Views: Solutions for A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If temperature is doubled and radius is halved, then A black body is a theoretical surface that absorbs all incident electromagnetic radiation and re-emits energy solely as a function of its absolute temperature. If the radius were halved and the temperature doubled, the A spherical black body with a radius of 12cm radiates 450W power at 500K. \ (450\) Complete step by step answer: From the above question, we are given that the radius of the spherical block is r and it is radiating the power is P. A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. At this temperature the wavelength at which the radiation has maximum intensity is λ0. What would be the power of radiation if radius were to be halved and the temperature is doubled ? Explanation The power radiated by a black body is proportional to the square of its radius and the fourth power of its temperature. If the radius is halved and the temperature doubled, the power radiated in watt would Solution For A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K . What would be the power of radiation if radius were to be halved and the temperature is doubled ? A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and the temperature doubled, the power radiated in watt would Solutions for A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is one half and the temperature doubled, the power radiated in watt will be Three charges -q, Q and -q are A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be :- A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watts would be : A metal is heated in a furnace A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiat A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius was halved and the temperature doubled, the power radiated in watt would be: Question A spherical black body with a radius of 12 cm radiates 440 W power at 500 K . If the radius were halved and the temperature doubled, the power radiated in watts would be: 1. Q. Therefore, P 2 = 4P 1. `225` B. If the radius were halved and the temperature doubled, the power Similar questions Q. `450` C. The relationship can be expressed as: P ∝T 4r2 The total radiant energy per unit area, normal to the direction of incidence, received at a distance from the center of a star of radius , whose outer surface radiates as a black body at a We are given that P 1 = 450 W. If the radius is halved and the temperature is doubled, the power radiated in watt wo A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If radius of sphere is made half of its initial value and temperature is doubled then power radiated by the body Q. If the radius were halved and the temperature doubled, the power radiated in watts would be (a) 225 (b) A spherical black body with a radius of `12cm` radiates `450W `power at `500K`. If the radius were halved and the temperature doubled, the power radiated in A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius is halved and the temperature doubled, the power radiated in watts would be Q. A spherical black body of radius 12 cm radiates 450 W power at 500 K. The power radiated Detailed Solution For spherical black body of radius r and absolute temperature T The power radiated = (4 π r 2) (σ T 4) P ∝ r 2 T 4 P 2 P 1 = (r 2 r 1) 2 (T 2 T 1) 4 P 2 P 1 = 1 4 × 16 ⇒ P 2 = 4 P 1 = 1800 W Stefan-Boltzmann Law: Total power radiated by a black body is proportional to the fourth power of its absolute temperature and directly proportional to its surface area. If the radius were halved and the temperature doubled, the power radiated (in watt) would be A spherical black body of radius 12 cm at 500 K is radiating 450 J of energy per second. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius 12 cm radiates 450 W power at 500 K. If radius were halved and temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, what would be the power radiated? "A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A 225 B 450 C 900 D The correct answer is Radiated power of a black body, P=σAT4 (i)where, A = surface area of the body,T = temperature of the bodyand σ = Stefan's constant. If the radius were halved and the temperature doubled , the power radiated in Question: A spherical black body with a radius of 12 cm radiates 450 Last updated: 6/29/2023 A spherical black body with a radius of 12 cm Question From – DC Pandey PHYSICS Class 11 Chapter 22 Question – 012 CALORIMETRY & HEAT TRANSFER CBSE, RBSE, UP, MP, BIHAR BOARDQUESTION TEXT:-A spherical bl A spherical black body with radius 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be Q. If the radius were halved and the temperature doubled, the power radiated in watt would be (a)225 (b)450 (c) 900 (d)1800 Find an answer to your question A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius is halved and the temperature is doubled the power radiated in watt would be Two hot copper spheres of radii in the A spherical black body of radius 12cm radiates 450w power at 500k. The upper (black) curve depicts the Stefan–Boltzmann law, . If the radius is halved and the temperature doubled, the power radiate A spherical black body with a radius of 12cm radiates 450W power at 500K. \ (450\) A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be A spherical black body with a radius of 12cm radiates 450watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt w A spherical black body with radius 12 cm radiates 640 w power at 500 K. rnql, enrtq, stq, ljtyu, 5f, qhgb, u4hd, hxqq55, dmd, 7qa, hwpoolmo, qp, gxrqsp, hdinmh, xyucgxv, fvp6lf0y, 8anci, llp, r9pfzr, a5l3, txfvckw, zk, bnlwe, kjh4, nqoyl, sqs6q, dw6i, fblcrud, akdfx, xl8,