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If the temperature of a black body is do...

If the temperature of a black body is doubled, the frequency at which the spectral intensity becomes maximum will be

A

doubled

B

halved

C

unchanged

D

quadrupled

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CHETANA PUBLICATION-Kinetic Theory of Gases and Radiation-Exercise
  1. If a black body is heated from 27 ^@C to 927 ^@C, then the ratio of th...

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  2. The ratio of the wavelength of emission corresponding to the maximum e...

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  3. If the temperature of a black body is doubled, the frequency at which ...

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  4. The phenomenon of black body radiation was explained satisfactorily by

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  5. The maximum wavelength of radiation emitted at 1500K is 5mum. The maxi...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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