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A small hole in the wall of an enclosure...

A small hole in the wall of an enclosure behaves as

A

Good absorber & poor emitter

B

Good absorber & good emitter

C

Poor absorber & poor emitter

D

Poor absorber & good emitter

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  2. The hot water pipes used to heat up the rooms are painted

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  4. In Fery's blackbody

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  5. Blackbody Radiation is

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  6. The spectrum of thermal radiation from a blackbody is

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

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  9. The bulbs of two identical thermometers A and B are coated, one with l...

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  10. In a Thermos flask, heat losses due to

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  11. A cup of hot tea on a metal table in a room loses heat by

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  12. Fraunhoffer lines in solar spectrum can be cited as an example of

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  13. A sphere, a cube and circular plate of same material and same mass are...

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  19. Ratio of rate of fall of heat to rate of fall of temperature of a body...

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