Q. Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant?
A) Acceleration due to gravity
B) Surface tension of water
C) Weight of a standard kilogram mass
D) The velocity of light in vacuum
Explanation
The correct answer is Option D: The velocity of light in vacuum.
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.