Chemistry, asked by anonymous4091, 2 months ago

A bulb of 20W operates with 60% efficiency and emits photons of wavelength 400nm,the energy released is absorbed by metal plate which then re emits 60% of absorbed energy via photons of 100nm. calculate the ratio of number of photons absorbed by the metal to be emitted in 5 minutes.

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Answered by saifalam000000678

Explanation:

A bulb of 20W operates with 60% efficiency and emits photons of wavelength 400nm,the energy released is absorbed by metal plate which then re emits 60% of absorbed energy via photons of 100nm. calculate the ratio of number of photons absorbed by the metal to be emitted in 5 minutes

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