Q. Planck’s constant has the dimensions of

A) Energy
B) Mass
C) Frequency
D) Angular momentum
Explanation

(d) Planck’s constant,
$h = E/v\ = \lbrack ML^{2}T^{- 2}/T^{- 1}\rbrack = \lbrack ML^{2}T^{- 1}\rbrack$
Angular momentum, $L = I\omega = \lbrack ML^{2}T^{- 1}\rbrack$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.