A) 3.315 ´ 10?28 kg-m/s
B) 1.66 ´ 10?28 kg-m/s
C) 4.97 ´ 10?28 kg-m/s
D) 9.9 ´ 10?28 kg-m/s
Correct Answer: A
Solution :
\[\lambda =\frac{h}{p}\Rightarrow p=\frac{h}{\lambda }=\frac{6.63\times {{10}^{-34}}}{2\times {{10}^{-6}}}\] \[=3.31\times {{10}^{-28}}kg\text{-}\,m/\sec \]
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