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NEET2018PhysicsSemiconductorsActual

Assertion : Gallium arsenide phosphide is used for making LED. Reason: Valanceband overlaps with conduction band in case of semionductor.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

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