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Dual Nature Of Radiation

JEE Main 2022 (Online) 26th July Morning Shift

MCQ+4 / -12022

A parallel beam of light of wavelength \(900 \mathrm{~nm}\) and intensity \(100 \,\mathrm{Wm}^{-2}\) is incident on a surface perpendicular to the beam. The number of photons crossing \(1 \mathrm{~cm}^{2}\) area perpendicular to the beam in one second is :

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