The speed of an electron having a wavelength of \[{{10}^{-10}}\,m\] is – McqOptions

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1.	The speed of an electron having a wavelength of \[{{10}^{-10}}\,m\] is [AIIMS 2002]
A.	\[7.25\times {{10}^{6}}\,m/s\]
B.	\[6.26\times {{10}^{6}}\,m/s\]
C.	\[5.25\times {{10}^{6}}\,m/s\]
D.	\[4.24\times {{10}^{6}}\,m/s\]
Answer» B. \[6.26\times {{10}^{6}}\,m/s\]

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