A metal plate of area 1 x 10 -4 m 2 is illuminated by a radiation of
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A metal plate of area 1 x 10-4 m2 is illuminated by a radiation of intensity 16mW/m2. The word function of the metal is 5 eV. The energy of the incident photon is 10eV and only 10% of it produces photoelectrons. The number of emitted photoelectrons per second and their maximum energy, respectively will be [1 eV = 1.6 x 10-19 J]
(a) 1014 and 10 eV
(b) 1012 and 5 eV
(c) 1011 and 5 eV
(d) 1010 and 5 eV
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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