Ultraviolet light of wavelength 300 nm and intensity 1 ~W / m ^2 falls on the surface of a photosensitive material. If one percent of the incident photons produce photoelectrons then the number of photoelectrons emitted per second from an a

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Ultraviolet light of wavelength 300 nm and intensity 1 ~W / m ^2 falls on the surface of a photosensitive material. If one percent of the incident photons produce photoelectrons then the number of photoelectrons emitted per second from an area of 1 ~cm ^2 of the surface is nearly

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Correct answer: B. 1.51 10¹²

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Ultraviolet light of wavelength 300 nm and intensity 1 ~W / m ^2 falls on the surface of a photosensitive material. If one percent of the incident photons produce photoelectrons then the number of photoelectrons emitted per second from an area of 1 ~cm ^2 of the surface is nearly

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