A metal plate of area 1 x 10-4 m2 is illuminated by a radiation of intensity 16 mW/m2.The workfunction of the metal is 5eV. The energy of theincident photons is 10 eV and only 10% of itproduces photo electrons. The number ofemitted photo electrons per second and theirmaximum energy, respectively, will be :[1 eV = 1.6 X 10-19J](1) 1010 and 5 eV(2) 1014 and 10 eV(3) 1012 and 5 eV(4) 1011 and 5 eV

A metal plate of area 1 x 10-4 m2 is illuminated by a radiation of i

1.	A metal plate of area 1 x 10-4 m2 is illuminated by a radiation of intensity 16 mW/m2.The workfunction of the metal is 5eV. The energy of theincident photons is 10 eV and only 10% of itproduces photo electrons. The number ofemitted photo electrons per second and theirmaximum energy, respectively, will be :[1 eV = 1.6 X 10-19J](1) 1010 and 5 eV(2) 1014 and 10 eV(3) 1012 and 5 eV(4) 1011 and 5 eV
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