Choose the correct answer

A light source of wavelength 520 nm emits 1.04 1015 photons per second while the second source of 460 nm produces 1.38 1015 photons per second. Then the ratio of power of second source to that of first source is

- a) 1.00

- b) 1.02

- c) 1.5

- d) 0.98

Correct Answer:

c) 1.5

0

Answered on 29/10/2020 at 12:44PM by Thamizh