Home Physics Inequations & Inequalities General How does the red shift confirms that the uni…
Physics Inequations & Inequalities General MCQ (Single Correct)

How does the red shift confirms that the universe is expanding

A
Due to Wien's law
B
Due to Stefan's law
C
Due to Kirchhoff's law
D
Due to Doppler's effect

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If the light received from galaxies indicates a shift towards the red end of spectrum of light, it means that the galaxies should be receding away (Doppler's effect). Therefore we conclude that the universe is expanding.

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