Question

A proton and ana-particle are accelerated through the same potential difference. The ratio of de-Broglie wavelength of the proton to that of the a-particle will be

• A. 2 : 1
• B. 1 : 1
• C. 1 : 2
• D. $2\sqrt{2}:1$

Answer 1

Answer: (D)

$2\sqrt{2}:1$

Answer 2

l = $\frac{h}{\sqrt{2mqV}}$