Triangular pulses of light a laser emits triangularupulses of light (? = 905 nm). each pulse has a duration ? -5 ns and contains 1011 photons. the repetition frequency is 10 mhz. question 1: how much radiant energy (in j) does each pulse contain? answer question 2: what is the peak power (in w) of each pulse?question 3: what is the average power (in w) of each pulse? answer question 4: what is the average output power (in w) of the laser?