MCQ
Absorption of photons by crystal:
  • A
    Has no effect on imperfection
  • Produce atomic displacement leading to imperfections
  • C
    Decreases number of defects
  • D
    None of the above

Answer

Correct option: B.
Produce atomic displacement leading to imperfections
Absorption of photons by crystal produce atomic displacement leading to imperfections.
These imperfections are also called defects.
These are deviations from perfectly ordered arrangement.

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