α- particles, β – particles and γ – rays are all having same energy.

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α- particles, β – particles and γ – rays are all having same energy. Their penetrating power in a given medium in increasing order will be

Options

(a) β, γ, α
(b) γ, α, β
(c) α, β, γ
(d) β, α, γ

Correct Answer:

α, β, γ

Explanation:

Increasing order of penetrating power : α < β < γ For same energy, lighter particle has higher penentrating power.

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Topics: Atoms and Nuclei (136)
Subject: Physics (2479)

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