Question

A proton is accelerated through a potential difference of 900v.its de-Broglie wavelength is a. 0.2 nm b.0.3nm c.0.8nm d. 0.4nm​

Answer 1

Answer:

b.0.3nm mark me as brainliest

Answer 2

Answer:

b. 0.3

Explanation:

thanks for point....