Q. In vacuum the speed of light depends upon
A) Frequency
B) Wave length
C) Velocity of the source of light
D) None of these
Explanation
(d) In vacuum speed of light is constant and is equal to $3 \times 10^{8}m/s$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.