Guest

A light source emits monochromatic light of wavelength 555 nm. The source consumes 100 W of electric power and emits 35 W of radiant flux. Calculate the overall luminous efficiency.

A light source emits monochromatic light of wavelength 555 nm. The source consumes 100 W of electric power and emits 35 W of radiant flux. Calculate the overall luminous efficiency.

Grade:10

1 Answers

Deepak Patra
askIITians Faculty 471 Points
9 years ago
Sol. Overall luminous efficiency = Total lu min ous flux/Power input = 35 * 685/100 = 239.75 lumen/W

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free