Question

The kinetic energy of a proton and that of an a-particle are 4 eV and 1 €
respectively. The ratio of the de-Broglie wavelengths associated w
them, will be
(a) 2:1
(b) 1:1
(d) 4:1
5/4/2.
1:1
(0) 1:2​

Answer 1

Answer:

answer is 1:1

see the picture attached

:)