Question

An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic field of 0.25 Wb/m^2.

Answer 1

hala mate,

radius R =mv/qB

&

de-Broglie wavelength

λ=h/mv on solving we get

λ= 0.01Å

hope it helps!!!

Answer 2

An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic field of 0.25 Wb/m^2. 0.01Ao