If the electron has a speed equal to 9.10 x 10^6 m/s, what is its wavelength?

Explanation:

Given that,

The speed of an electron,

We need to find the wavelength of this electron. It can be calculated using De -broglie wavelength concept as :

h is the Planck's constant

So, the wavelength of the electron is . Hence, this is the required solution.

the part of the wave he is travelling on is the crest