Q. The $SI$ unit of mechanical equivalent of heat is
A) $Joule \times Calorie$
B) $Joule/Calorie$
C) $Calorie \times Erg$
D) $Erg/Calorie$
Explanation
(b) $J = \frac{W}{Q} = \frac{Joule}{cal}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.