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Which law explains colours of stars based on temperature?
Question

Which law explains colours of stars based on temperature?

A.

Wien’s Displacement Law

B.

Kepler’s Laws

C.

Snell’s Law

D.

Hooke’s Law

Correct option is A

The correct answer is (a) Wien’s Displacement Law
Explanation:
. Relates wavelength to temperature.
. Hotter bodies emit shorter wavelengths.
. Explains star colour variation.
. Used in astronomy.
. Fundamental radiation law.
Information Booster:
. Blue stars are hotter than red stars.
. λmax × T = constant.

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