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Question
Which of the following are electromagnetic waves?
Options
α-rays
Beta-plus rays
Beta-minus rays
Gamma rays
MCQ
Solution
Gamma rays
Alpha rays, beta-plus and beta-minus rays carry charged particles that show particle behaviour. On the other hand, gamma rays carry photons that show particle as well as wave behaviour. Hence, only gamma rays are electromagnetic waves.
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Radioactivity - Gamma Decay
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