Q. If the units of $M$ and $L$ are increased three times, then the unit of energy will be increased by
A) 3 times
B) 6 times
C) 27 times
D) 81 times
Explanation
[Energy] = [$ML^{2}T^{- 2}$]. Increasing $M$ and $L$ by a factor of 3 energy is increased 27 times.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.