The mass of an electron is `9.1xx10^(-31)` kg and velocity is `2.99xx10^(10) cm s^(-1)`. The wavelenth of the electron will be
The mass of an electron is `9.1xx10^(-31)` kg and velocity is `2.99xx10^(10) cm s^(-1)`. The wavelenth of the electron will be
A. 0.243 `"Å"`
B. 0.0243 `"Å"`
C. 4.21 `"Å"`
D. 0.421 `"Å"`
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Correct Answer - B
`lamda=(h)/(mv)=(6.62xx10^(-34))/(9.1xx10^(-31)xx2.99xx10^(-8))`
0.024 `"Å"`
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