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Heat travels through vaccum by...

Heat travels through vaccum by

A

Conduction

B

Convection

C

Radiation

D

Both (a) and (b)

Text Solution

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The correct Answer is:
C
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ERRORLESS -TRANSMISSION OF HEAT-Radiation (General, Kirchoff s law, Black body)
  1. Which of the following is the correct device for the detection of ther...

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  2. A thermos flask is polished well

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  3. Heat travels through vaccum by

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  4. The energy supply being cut-off, an electric heater element cools down...

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  5. We consider the radition emitted by the human body which of the follow...

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  6. The earth radiates in the infra-red region of the spectrum. The spectr...

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  7. Infrared radiation is detected by

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  8. Pick out the statement which is not true

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

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  10. Good absorbers of heat are

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

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

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

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

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  15. Which of the following statements is wrong ?

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

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

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

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

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

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