Question

A proton falls freely under gravity of Earth. Its de-Broglie
wavelength after 20 second of its motion is
(Neglect
the forces other than gravitational force) g = 10 m/s2
(A) 1.98 Aº
(B) 19.8 A
(C) 0.198 Aº
(D) 3.98 Aº​

Answer 1

Answer:

options C is correct o.198A