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12 Jan 2012 20:16:24 IST

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Physics

In a photo?emissive cell, with exciting wavelength l, the maximum kinetic energy of electron is K. If the exciting wavelength is changed to the kinetic energy of the fastest emitted electron will be:(A) 3K/4 (B) 4K/3 (C) less than 4K/3 (D) greater than 4K/3

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Juhi Sharma

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Joined: 22 May 2009

Posts: 2064

15 May 2012 17:21:04 IST

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less than 4k/3

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