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If wavelength at 4500 K is lambdam, the ...

If wavelength at 4500 K is `lambda_m`, the wavelength at 1500 K is

A

`3lambda_m`

B

`lambda_M//3`

C

`9lambda_m`

D

`lambda_m//9`

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SL ARORA-Thermal Properties of Matter-Exercise
  1. The wavelength of radiation emitted by a body depends upon

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  2. Temperature of two stars are in the ratio 3 : 2 . If wavelenghth for t...

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  3. If wavelength at 4500 K is lambdam, the wavelength at 1500 K is

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  4. A black body at 200 K is found to emit maximum energy at a wavelength ...

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  5. If sigma is Stefan's constant and b is Wien's constant, then the dimen...

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  6. of a body is the measure of the average kinetic energy of its molecule...

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  7. The amount of heat energy required to raise the temperature of 1 gram ...

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  8. At what temperature is the Fahrenheit scale reading equal to (a) twi...

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  9. At what temperature the Fahrenheit and Celsius scales of temperature g...

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  10. A faulty thermometer reads 5^@ C melting ice and 99^@ C in steam. Find...

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  11. The range of platinum resistance thermometer is from to

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  12. The coefficient of linear expansion of a solid rod is of the geometri...

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  13. The coefficient of cubical expansion of an ideal gas is proportional ...

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  14. The value of coefficient of linear expansion (alpha) is for metals th...

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  15. The coefficient of cubical expansion of a material is nearly times it...

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  16. The difference between lenghts of a certain brass rod and of a steel r...

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  17. Invar is used in making clock pendulums because its coefficient of lin...

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  18. Water on heating between 0^@ and 4^@C This is called of water.

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  19. Water has volume and density at 4^@C

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  20. The volume expansion of a body depend on its cavities

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