1.

If wavelength of photon is\[{{X}^{3-}}\]\[h=6.6\times {{10}^{-34}}\]J-sec, then momentum of photon is      [MP PET 1999]

A.        \[3\times {{10}^{-23}}kg\,m{{s}^{-1}}\]
B.        \[3.33\times {{10}^{22}}kg\,m{{s}^{-1}}\]
C.        \[1.452\times {{10}^{-44}}\,kg\,m{{s}^{-1}}\]     
D.        \[6.89\times {{10}^{43}}\,kg\,m{{s}^{-1}}\]
Answer» B.        \[3.33\times {{10}^{22}}kg\,m{{s}^{-1}}\]


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