Question

Relation between the colour and the temperature of a star is given by ______.

Options

• Wien's displacement law

• Plank's law

• Hubble's law

• Fraunhoffer diffraction law

Answer 1

Relation between the colour and the temperature of a star is given by Wien's displacement law.

Explanation:

Every colour has a certain wavelength or range of wavelengths, and only the Wiens displacement law among the options gives the relationship between wavelength and temperature as λT = constant.