Question

A 100 watt bulb emitts monochromatic light of wavelength 400nm. The number of photons emitted
per second by the bulb
1) 2 x 1020 - 2) 2 x 1019 s
3) 4 x 1019 s 4) 4 x 1020 s)​

Answer 1

I think

option c) is the correct answer.

Answer 2

Answer:

option C is correct ......