Question

a)
Determine the wavelength associated with
an electron of mass m = 9.1 x 10-28 kg .
that travels with 60% of the speed of
light.​

Answer 1

Explanation:

Solution :

Here, we are given: `m = 9.1 xx 10^(-31) kg, v = 10^(3) m sec^(-1), h = 6.6 xx 10^(-34) kg m^(2) s^(-1)`

`lamda = (h)/(mv) = (6.6 xx 10^(-34) kg m^(2) s^(-1))/((9.1 xx 10^(-31) kg) xx (10^(3) ms^(-1))) = 7.25 xx 10^(-7) m`