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The temperature of a black body is gradu...

The temperature of a black body is gradually increased. The colour of the body will change from

A

White-green-red

B

Red-yellow-blue

C

Red-violet-yellow

D

Yellow-green-red

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CHETANA PUBLICATION-Kinetic Theory of Gases and Radiation-Exercise
  1. The maximum wavelength of radiation emitted at 1500K is 5mum. The maxi...

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  2. The maximum wavelength of radiation emitted by a black body at 1227 ^@...

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  3. The temperature of a black body is gradually increased. The colour of ...

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  4. The surface temperature of a black body is 1200 K. What is the wavelen...

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  5. The earth radiates in the infrared region of the spectrum. The wavelen...

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  6. Select and write the most appropriate answer from the given alternativ...

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  7. Select and write the most appropriate answer from the given alternativ...

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  8. Select and write the most appropriate answer from the given alternativ...

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  9. How many degrees of freedom are there for a monoatomic gas?

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  10. State Mayer's Relation in terms of molar specific heats.

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  11. What is the value of coefficient of absorption for a perfect black bod...

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  12. State Wien's displacement law. Give S.I. unit and dimension of Wien's ...

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  13. Calculate R.M.S. velocity of helium at temperature 0^@C. (density of h...

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  14. The coefficient of absorption and reflection of thin uniform plate are...

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  15. Calculate the energy radiated in 30 seconds by perfectly black sphere ...

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  16. Define co-efficient of emission state kirchoff's law of radiation.

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  17. The energy of 6000 J is radiated in 5 minutes by a body of surface are...

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  18. What is perfectly black body? Explain construction and working of Fery...

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  19. Derive an expression for KE and KE per unit volume of gas using the ex...

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  20. At what temperature can R.M.S. velocity of gas be doubled its value at...

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