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12 Jan 2012 20:16:24 IST
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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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Joined: 22 May 2009
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15 May 2012 17:21:04 IST
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less than 4k/3



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