A source emits light of wavelengths 555 nm and 600 nm. The radiant flux of the 555 nm part is 40 W
Channel: Doubtnut
Date: 2020-07-05

A source emits light of wavelengths 555 nm and 600 nm. The radiant flux of the 555 nm part is 40 W and of the 600 nm part is 30 W. The relative luminosity at 600 nm is 0-6. Find (a) the total radiant flux, (b) the total luminous flux, (c) the luminous efficiency.