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) \[6.89\times {{10}^{43}}kg\,m{{s}^{-1}}\]
Correct Answer: A
Solution :
\[\lambda =2.2\times {{10}^{-11}}m,\] \[h=6.6\times {{10}^{-34}}Js\] \[\lambda =\frac{h}{mc}\] \[\because \] \[p=mc\] \[p=\frac{h}{\lambda }\] \[=\frac{6.6\times {{10}^{-34}}}{2.2\times {{10}^{-11}}}\] \[=3\times {{10}^{-23}}kg\,m/s\]
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