Question

12.
The wavelength associated with an electron moving with velocity 1010 ms-1 is
(1) 6.62 * 10-10 m
(2) 7.27 x 10-14 m
(3) 3.69 * 10-12 m
(4) 4.92 x 10-11 m​

Answer 1

Answer:

(2) 7.27×10^-14

Explanation:

wavelength =h/mv=6.626×10^-34 / 9.11×10-31 ×10^10

wavelength =7.27×10^-14 m