Variation of radiant energy emitted by s...

Variation of radiant energy emitted by sun, filament of tungsten lamp and welding arc as a function of its wavelength is shown in figure. Which of the following option is the correct match?

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The correct Answer is:

According to wein's law `lamdaT = const`
`lamda_(3)ltlamda_(2)ltlamda_(1):.T_(3)gtT_(2)gtT_(1)`
`T_(3) rArr sun T_(2) rArr` welding arc
`T_(1) rarr` Tungsten filament

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