What is the composition of an - particle-

The correct option is A 2 protons and 2 neutrons onlyα particle is nucleus of helium nbsp;(H2e4) Number of protons = 2 Number of neutrons = A − Z = 4 − 2 = 2 ...

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Standard XII

Physics

Alpha Decay

What is the c...

Question

What is the composition of an $α$
particle?

2 protons and 2 neutrons only

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2 electrons, 2 protons and 2 neutrons

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2 electrons and 4 protons only

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2 protons only

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Solution

The correct option is A 2 protons and 2 neutrons only
α-particle is nucleus of helium ( $2 H e^{4}$ )
Number of protons = 2
Number of neutrons = A − Z = 4 − 2 = 2

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What is the composition of an α particle?

The correct option is A 2 protons and 2 neutrons onlyα-particle is nucleus of helium (2He4) Number of protons = 2 Number of neutrons = A − Z = 4 − 2 = 2

What is the composition of an $α$
particle?

The correct option is A 2 protons and 2 neutrons only
α-particle is nucleus of helium ( $2 H e^{4}$ )
Number of protons = 2
Number of neutrons = A − Z = 4 − 2 = 2