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The surface temperature of the sun is ab...

The surface temperature of the sun is about 6000 K. the sun's radiation has maximum energy at a wavelength of 0.5 `mu` m. a certain light bulb filament emits radiations with a maximum at 2 `mu` m. if both the surface of the sun and the filament have the same emissive characteristics, then the temperature of the filament will be

A

1500 K

B

2000 K

C

2500 K

D

3000 K

Text Solution

Verified by Experts

The correct Answer is:
A
`lamda_(1)T_(1)=lamda_(2)T_(2)`
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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Spectrum of Black Body Radiations in Terms Wavelength)
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  8. The surface temperature of the sun is about 6000 K. the sun's radiatio...

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  9. If wavelengths of maximum intensity of radiations emitted by the sun a...

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  10. The wavelength of maximum emitted energy of a body at 700 K is 4.08 mu...

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  11. A black body at 200 K is found to exit maximum energy at a wavelength ...

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  12. Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respe...

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  13. A black body emits radiations of maximum intensity at a wavelength of ...

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  14. Black body at a temperature of 1640K has the wavelength corresponding ...

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  15. Solar radiation emitted by sun resembles that emitted by a body at a t...

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  16. What will be the ratio of temperatures of sun and moon if the waveleng...

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  17. The absolute temperatures of two black bodies are 2000 K and 3000 K re...

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  18. A particular star (assuming it as a black body) has a surface temperat...

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  19. The maximum energy in thermal radiation from a source occurs at the wa...

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

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