A radioactive nucleus undergoes 
-emission to form a stable element. What will be the recoil velocity of the daughter nucleus if v is the velocity of 
-emission and 
is the atomic mass of radioactive nucleus
Text Solution
Verified by ExpertsThe correct answer is:
A
The emission of an 
-particle from the atom of an element reduces its atomic number by 2 and mass number by 4.
Hence, the radioactive emission is as follows:
Also, from law of conservation of momentum,
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