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Physics Medium CSS FPSC PPSC Uploaded: 05 Aug 2026

Which type of electromagnetic wave has the highest frequency and energy in the spectrum?

  • A Radio waves
  • B X-rays
  • C Gamma rays
  • D Ultraviolet
Correct Answer: Option C — Gamma rays
Explanation:
Gamma rays have the highest frequency and energy in the electromagnetic spectrum produced by nuclear reactions and radioactive decay and can only be blocked by thick lead or concrete.
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Submitted by: PaperMCQs
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