If efficiency of petrol engine is \( \eta_1 \) and that of diesel engine is \( \eta_2 \) then, which of the following expression is correct? A) \(…
Class 12 Physics · 2083 · Solved Question with Answer
If efficiency of petrol engine is \( \eta_1 \)and that of diesel engine is \( \eta_2 \) then, which of the following expression is correct?
A) \( \eta_1 = \eta_2 \) B)\( \eta_1 > \eta_2 \)
C) \( \eta_1 < \eta_2 \) D) \( \eta_1 \ge \eta_2 \)