Which of the following waves has shortest wavelengths? [General Knowledge MCQs]

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Which of the following has shortest wavelengths?
  1. Alpha rayas
  2. Gamma rays
  3. Beta rays
  4. X-rays
Answer: Option B
Explanation: Gamma rays have shortest wavelengths so they have most energy in them. These rays are emitted from explosions and radioactive elements. Gamma rays are very harmful to human tissue (that's why they are used to kill cancer cells.)
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