Home Physics Transmission of Heat Radiation (Wein's Law) If the temperature of the sun becomes twice …
Physics Transmission of Heat Radiation (Wein's Law) MCQ (Single Correct)

If the temperature of the sun becomes twice its present temperature, then

A
Radiated energy would be predominantly in infrared
B
Radiated energy would be predominantly in ultraviolet
C
Radiated energy would be predominantly in X-ray region
D
Radiated energy would become twice the present radiated energy

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Text Solution

Verified by Experts
The correct answer is:
B

The wavelength corresponding to maximum emission of radiation from the sun is (close to the wavelength of violet colour of visible region). Hence if temperature is doubled λ λ m is decreased i.e. mostly ultraviolet radiations emits.

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