Let the wavelength at which the spectral emissive power of a blackbody at a temperature T is maximum, be denoted by λmax. As the temperature of the body is increased by 1 K, λmax decreases by 1%. The temperature T of the black body is:

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99 K

101 K

100 K

273 K

answer is A.

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Detailed Solution

λmT=0.99λm(T+1)T=0.99T+0.99⇒T=99k

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