The speed of an electron having a wavelength of 10-10 m is
A. 7.25 x 106 ms-1
B. 6.26 x 106 ms-1
C. 5.25 x 106 ms-1
D. 4.24 x 106 ms-1
Answer:A
The speed of an electron having a wavelength of 10-10 m is
A. 7.25 x 106 ms-1 B. 6.26 x 106 ms-1 C. 5.25 x 106 ms-1 D. 4.24 x 106 ms-1