Q. When the wavelength of light coming from a distant star is measured it is found shifted towards red. Then the conclusion is
A) The star is approaching the observer
B) The star recedes away from earth
C) There is gravitational effect on the light
D) The star remains stationary
Explanation
The correct answer is Option B: The star recedes away from earth.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.