1.

Light of frequency 4n0 is incident on the metal of the threshold frequency n0. The maximum kinetic energy of the emitted photoelectrons is                                      [MP PET 2002]

A.            \[3\,h{{\nu }_{0}}\]           
B.            \[2\,h{{\nu }_{0}}\]
C.            \[\frac{3}{2}\,h{{\nu }_{0}}\]
D.            \[\frac{1}{2}h{{\nu }_{0}}\]
Answer» B.            \[2\,h{{\nu }_{0}}\]


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