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ICSE Class 10 Biology Question 2 of 10

Pollution — A Rising Environmental Problem — Question 9

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Question

Question 9

The energy content of X-rays is usually measured in:

  1. Proton
  2. Protium
  3. Photon
  4. None of these
Answer

Photon

Reason — The energy content of X-rays is usually measured in photon.