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When a body has the same temperature as ...

When a body has the same temperature as that of its surroundings

A

it does not radiate heat

B

it radiates same quantity of heat as it receives from the surroundings

C

it radiates same quantity of heat as it receives from the surroundings

D

it radiates same quantity of heat as it receives from the surroundings

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The correct Answer is:
B
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NARAYNA-TRANSMISSION OF HEAT-C .U .Q
  1. The temperature at which a black body ceases to radiate energy is .

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  2. The intensity of energy radiated by a hot body at distance r from it v...

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  3. When a body has the same temperature as that of its surroundings

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  4. One healf of a slab of ice is covered with black cloth and the other h...

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  5. Compared to a person with white skin another person with dark skin wil...

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  6. Which of the following statements is wrong ?

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  7. The physical factor distinguishes thermal radiation from visible light...

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  8. If we place our hand below a lighted electric bulb We feel warmer beca...

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  9. Heating effect of the incoming solar radiation is maximum at local noo...

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  10. The absorptivity of Lamp black and platinum black is .

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  11. Absorptive power of a white body and of a perfectly black body respect...

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  12. Three bodies A,B,C are at -27^(@)C, 0^(@)C, 100^(@)C respectively The ...

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  13. At high temperature black body spectrum is .

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  14. A black body emits

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  15. The best laboratory approximation to an ideal black body is .

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  16. A black body does not .

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  17. If the amount of heat energy received per unit area from the Sun is me...

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  18. The colour of a star is a measure of its .

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  19. A polished metal plate with a rough black spot on it is heated to abou...

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  20. If 'p' calorie of heat energy is incident on a body and absorbs 'q' ca...

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