A 200 W bulb emits monochromatic light of wavelenght 1400 A and only 1 – InterviewSolution

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1.	A 200 W bulb emits monochromatic light of wavelenght 1400 A and only 10%of the energy is emitted as light. The number of photons emitted by the bulb per second will be
Answer» `1.4` x `10^(18)` `1.4` x `10^(20)` `1.4`x`10^(19)` `1.4` x `10^(21)` ANSWER :C

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