Physics

Problem

The ratio of de-Broglie wavelength of an

\alpha

-particle and a proton accelerated from rest by the same potential is

\frac{1}{\sqrt{m}}

, the value of

m

is [NCERT : PL-285 | Jan. 29, 2023 (II)] (a) 4 (b) 16 (c) 8 (d) 2