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Radiation emitted by a surface is direct...

Radiation emitted by a surface is directly proportional to

A

third power of its temperature

B

equal to its temperature

C

twice power of its temperature

D

fourth power of its temperature

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The correct Answer is:
D
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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Stefans Law of Black Body Radiation)
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  2. Radiation emitted by a surface is directly proportional to

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  3. The unit of Stefan's constant sigma is

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  4. The amount of heat enerrgy radiated per unit time per unit area by a b...

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  5. The rate at which a black body emits radiation at a temperature T is p...

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  6. The relation between rate of loss of heat from the body and its absolu...

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  7. The unit of Stefan's constant sigma is

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  8. The amount of heat energy radiated per second by a surface depends upo...

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  9. If the rate of emission of radiation by a body at temperature TK is E ...

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  11. The luminousity of a star is 10000 times that of the sun. if the surfa...

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  12. A spherical black body of 5 cm radius is maintained at a temperature o...

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  13. A black body at high temperature T K radiates energy at the rate of E ...

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  14. A black body is at temperature of 500 K. It emits energy at rate which...

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  15. A black body at temperature 227^(@)C radiates heat at the rate of 5 ca...

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  16. If the temperature of the sun (black body) is doubled, the rate of ene...

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  17. The temperature of a black body becomes half of its original temperatu...

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  19. Two bodies A and B are placed in an evacuated vessel maintained at a t...

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