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.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक