1.

A photon of energy 8 eV is incident on metal surface of threshold frequency \[1.6\times {{10}^{15}}Hz.\] The maximum kinetic energy of the photoelectrons emitted (in eV) (Take \[h=6\times {{10}^{-34}}Js)\].                                             [MP. PET  2005]

A.            1.6 
B.            6
C.            2    
D.            1.2
Answer» D.            1.2


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