First slide

Radio activity

Question

In the nuclear reaction
$_{Z}^{A} X +_{0}^{1} n \to_{Z - 2}^{A - 3} Y + C,$
‘C’ may be

Easy

A

X-ray photon
B

gamma ray
C

$β^{+}$ particle
D

$α -$ particle

Solution

Mass number of $C = (A + 1) - (A - 3) = 4$
Atomic number of $C = Z - (Z - 2) = 2$
So option (4) is right.

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