Question

The de-broglie wavelength of an electron is 600 nm. The velocity of the electron is:
inglese
(h=6.6 x 1034 Jsec, m= 9.0 x 10 Kg)
(0)
1.8 x 10 ms? (ii) 1.2 x 10 ms' (iii) 5.4 x 10 ms? (iv) 1.2 x 10 ms​

Answer 1

Answer:

v = 1.22x10^6

Explanation:

Given : mass = 9x10^-28g

h = 6.6 x10^34

lemda = 600x10^-9

We know that ,

lemda = h/mv

so, v = h/m lemda

Hence , v = 1.22x10^6