What is an alpha particle used in scattering experiments?

Type: MCQ • Marks: 1

A. A proton

B. A neutron beam

C. A high-speed electron

D. A doubly ionized helium atom (He²⁺ nucleus)

Explanation

Alpha particles are helium nuclei containing 2 protons and 2 neutrons.

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Class 9th Science (MCQ)

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