Q. A pulsed laser emits rectangular pulses of width 1 nanosecond at a repetition rate of 1 kHz. If the average power output is 1 mW, the average power over a single pulse duration, in watts, is
(A) 1 (B) 10 (C) 100 (D) 1000
Ans: 1000
Sol:
The underlying concept here to be used is that the energy is not a function of time
