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. \[3.33\times {{10}^{22}}kg\,m{{s}^{-1}}\]


Discussion

No Comment Found

Related MCQs