Assertion (A): A photocell is called an electric eye. Reason (R): When light is incident…

Physics · Class 12 · CBSESemiconductor Electronics

Assertion (A): A photocell is called an electric eye.
Reason (R): When light is incident on some semiconductor, its electrical resistance is reduced.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.

Answer

(A) Both A and R are true and R is the correct explanation of A.

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