Question

1.
A uranium-238 nucleus, initially at rest, emits an
a(He) particle with energy E. The recoil speed of
residual nucleus thorium-234 is (Masses are same
as their mass number)
2E
VE
(1)
234
(2)
234
(3)
2E
117
(4)
V
117​

Answer 1

Answer:

I don't have physic know Sorry bro

Explanation:

PLZ marks as BrainList