Target Exam

CUET

Subject

Physics

Chapter

Nuclei

Question:

$p→ n+v+ A$

In this nuclear reaction A is a/an:

Options:

electron

gamma ray

positron

anti neutrino

Correct Answer:

positron

Explanation:

The correct answer is Option (3) → positron

$P→n+v+e^+$ [Beta-plus decay reaction]

where,

P = Proton

n = Neutron

v = neutrino

$e^+$ = positron