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Atomic Structure Specific Charge of Subatomic Particles

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What is the ratio of the magnitude of specific charge (|q|/m) of a proton to that of an α-particle?

Verified Answer & Explanation⌄

Correct Answer: A) 2 : 1

Concept Explanation

For a proton: |q|/m = e/mₚ For an α-particle: |q|/m = 2e/4mₚ = e/2mₚ Therefore: Proton : α-particle = 2 : 1.

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