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Which of the following surface will emit...

Which of the following surface will emit least heat radiation –

A

White (bright)

B

White and rough

C

Polished black

D

Black and rough

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Verified by Experts

The correct Answer is:
A
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MOTION-HEAT - 1-EXERCISE - 1 Objective Problems | JEE Main
  1. From a black body, radiation is not :

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  2. In accordance with Kirchhoff’s law. Which of the following is incorrec...

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  3. The energy radiated by a body does not depends on

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  4. A polished metallic piece and a black painted wooden piece are kept i...

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  5. Nature of thermal radiations is similar to the nature of -

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  6. Heat radiation exhibit the phenomenon of polarization which means that...

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  7. Following is not a property of radiation –

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  8. Transfer of heat in friction is by –

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  9. Which of the following surface will emit least heat radiation –

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  10. Emissive power of any surface (e), Absorptive power (a), Reflecting po...

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  11. A black metal foil is warmed by radiation from a small sphere at tempe...

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  12. Two bodies P and Q have thermal emissivities of varepsilon(P) and vare...

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  13. The rate of emission of radiation of a black body at 273^(@)C is E, th...

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  14. The power radiated by a black body is P, and it radiates maximum energ...

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  15. Spheres P and Q are uniformally constructed from the same material whi...

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  16. A solid sphere and a hollow sphere of the same material and of equal r...

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  17. The rate of cooling of a body by radiation depends on :

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  18. Two metallic sphere A and B are made of same material and have got ide...

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  19. Stars S(1) emits maximum radiation of wave length 420nm and the star S...

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  20. The intensity of radiation emitted by the sun has its maximum value at...

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