Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A radioactive substance emits
Text Solution
Verified by ExpertsThe correct answer is:
D
Step 1: Understand the types of radiation emitted by radioactive substances.
A radioactive substance can emit three primary types of radiation:
Conclusion: Since a radioactive substance can emit α, β, and γ rays depending on the decay process, the correct answer is All of these. Therefore, the correct answer is D.
A radioactive substance can emit three primary types of radiation:
- α-rays: These are helium nuclei (two protons and two neutrons) and are relatively heavy and carry a positive charge.
- β-rays: These are electrons (or positrons) emitted from a nucleus during decay processes and are lighter than α-particles.
- γ-rays: These are high-energy electromagnetic waves emitted from radioactive decay, and they have no mass or charge.
Conclusion: Since a radioactive substance can emit α, β, and γ rays depending on the decay process, the correct answer is All of these. Therefore, the correct answer is D.
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