Question
Question: The speed of an electron having a wavelength of 10<sup>–10</sup> m is –...
The speed of an electron having a wavelength of 10–10 m is –
A
7.25 × 106 m/s
B
6.26 × 106 m/s
C
5.25 × 106 m/s
D
4.24 × 106 m/s
Answer
7.25 × 106 m/s
Explanation
Solution
v = mλh =9.1×10−31×10−106.6×10−34= 7.25 × 106 m/s