JEE Main 30 June 2022 Shift 1 Solved Paper

Section: Physics
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Question : 48 of 90
 
Marks: +1, -0
A source of monochromatic light liberates 9×1020 photon per second with wavelength 600nm when operated at 400 . The number of photons emitted per second with wavelength of 800nm by the source of monochromatic light operating at same power will be :
[30-Jun-2022-Shift-1]
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