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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 the same quantity of heat as it absorbs

C

It radiates less quantity of heat as it receives from surroundings

D

It radiates more quantity of heat as it receives heat from surroundings

Text Solution

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The correct Answer is:
B
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (Stefan s law)
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  2. The radiation emitted by a star A is 10,000 times that of the sun. If ...

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  3. A black body radiates at the of W watts at a temperture T. If the temp...

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  4. Star A has radius r surface temperature T while star B has radius 4 r ...

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  5. Suppose the sun expands so that its radius becomes 100 times its prese...

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  6. If the temperature of the sun were to increase form T to 2T and its ra...

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  7. At 127^(@)C radiates energy is 2.7 xx 10 J//s. At what temperature rad...

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  9. A black body radiates energy at the rate of 1 xx 10 J // s xx m at tem...

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  10. The temperature of a body is increased from –73°C to 327°C. Then the r...

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  11. If the temperature of the body is increased by 10%, the percentage inc...

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  12. If the sun's surface radiates heat at 6.3 xx 10^(7) Wm^(-2). Calculate...

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  13. A sphere at temperature 600 K is placed in an enviroment to temperatur...

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  14. The value of Stefan's constant is

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  15. The rate of cooling at 600 K, if surrounding temperature is 300 K is R...

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  16. A blackbody of surface area 10cm^(2) is heated to 127^(@)C and is sus...

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  17. Two identical objects A and B are at temperature T(A) and T(B) respect...

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

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  19. The ratio of radiant energies radiated per unit surface area by two bo...

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  20. The spectral energy distribution of star is maximum at twice temperatu...

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