A light source emits monochromatic light of wavelength 555 nm. The source consumes 100 W of electric power

Question

A light source emits monochromatic light of wavelength 555 nm. The source consumes 100 W of electric power

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.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Overall luminous efficiency =Total luminous flux / Power input
=35x685/100

= 239.75 lumen/W

7 views Answered 2023-02-05 15:29