Q. In supplying 400 calories of heat to a system, the work done will be
A) $400\ joules$
B) $1672\ joules$
C) $1672\ watts$
D) $1672\ ergs$
Explanation
(b) $W = JQ = 4.18 \times 400 = 1672\ joule$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.