SATHEE: Optics Question 261

Optics Question 261

Question: If a star is moving towards the earth, then the lines are shifted towards

[AIIMS 1997]

Options:

A) Red

B) Infrared

C) Blue

D) Green

Show Answer

Answer:

Correct Answer: C

Solution:

When the source and observer approach each other, apparent frequency increases and hence wavelength decreases.

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Optics Question 261

Question: If a star is moving towards the earth, then the lines are shifted towards

Options:

Answer:

Solution:

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