1.

What is the momentum of a photon having frequency \[1.5\times {{10}^{13}}Hz\]                                           [BHU 1997]

A.            \[3.3\times {{10}^{-29}}kg\ m/s\]                                   
B.            \[3.3\times {{10}^{-34}}kg\ m/s\]
C.            \[6.6\times {{10}^{-34}}kg\ m/s\]                                   
D.            \[6.6\times {{10}^{-30}}kg\ m/s\]
Answer» B.            \[3.3\times {{10}^{-34}}kg\ m/s\]


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