A uranium 238 nucleus, initially at rest emits n alpha particle with a speed of
Channel: Doubtnut
Date: 2020-07-12

A uranium 238 nucleus, initially at rest emits n alpha particle with a speed of `1.4xx10^7m/s`. Calculte the rcoil speed of the residual nucleus thorium 234. Assume that the mas of a nucleus is proprotional to the mass number.