The relative luminosity of wavelength `600 nm` is 0.6. Find the radiant flux of `600 nm` needed to produce the same brightness sensation as produced by `120 W` of radiant flux at `555 nm`

The wavelength of a radiation emitted by a sodium lamp is 600 nm. Find the frequency ?

The wavelength of a radiation emitted by a sodium lamp is 600 nm. Find the frequency ?

Find the luminous flux of 10 W source of 600 nm. The relative luminosity at 600 nm is 0.6.

Find the luminous flux of 10 W source of 600 nm. The relative luminosity at 600 nm is 0.6.

Find the luminous flux of 10 W source of 600 nm. The relative luminosity at 600 nm is 0.6.

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.

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.

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.