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Good absorbers of heat are...

Good absorbers of heat are

A

Poor emitters

B

Non-emitters

C

Good emitters

D

Highly polished

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (General, Kirchoff s law, Black body)
  1. Pick out the statement which is not true

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  2. A hot and a cold body are kept in vacuum separated from each other. Wh...

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  3. Good absorbers of heat are

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  4. For a perfectly black body, its absorptive power is

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  5. Certain substance emits only the wavelengths lamda1,lamda2,lamda3 and ...

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

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  7. Relation between emissivity e and absorptive power a is (for black bod...

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  8. Which of the following statements is wrong ?

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  9. Half part of ice block is covered with black cloth and rest half is co...

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  10. If between wavelength lambda andlambda + dlambda, e(lambda) and a(lamb...

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

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  12. Distribution of energy in the spectrum of a black body can be correctl...

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  13. In rainy season, on a clear night the black seat of a bicycle becomes ...

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

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  15. At a certain temperature for given wavelength, the ratio of emissive p...

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  16. The cause of Fraunhoffer lines is

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  17. Two thermometers A and B are exposed in sunlight. The bulb of A is pai...

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  18. There is a black spot on a body. If the body is heated and carried in ...

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  19. When red glass is heated in dark room it will seem

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  20. A hot body will radiate maximum energy if its surface is

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