AP EAMCET Engineering 2013 Solved Paper

Section: Physics

Question : 36 of 160

Marks: +1, -0

The work function of a metal is 2eV. If a radiation of wavelength 3000Å is incident on it, the maximum kinetic energy of the emitted photoelectrons is (Planck's constant h=6.6×10−34Js; velocity of quad light c=3×108m∕s;1eV=1.6×10−19J)

4.4×10−19J
5.6×10−19J
3.4×10−19J
2.5×10−19J

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