Assertion: The electrons in the conduction band have higher energy than those in the valence band of a semiconductor. Reason: The conduction band is above the energy gap and valence band lies below the energy gap.

Question

Assertion: The electrons in the conduction band have higher energy than those in the valence band of a semiconductor. Reason: The conduction band is above the energy gap and valence band lies below the energy gap. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false.

Tardigrade Admin · Accepted Answer

Here, both Assertion and Reason are correct and Reason is correct explanation of Assertion.

Q. Assertion : The electrons in the conduction band have higher energy than those in the valence band of a semiconductor. Reason : The conduction band is above the energy gap and valence band lies below the energy gap.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

Here, both Assertion and Reason are correct and Reason is correct explanation of Assertion.

Q. Assertion : The electrons in the conduction band have higher energy than those in the valence band of a semiconductor.
Reason : The conduction band is above the energy gap and valence band lies below the energy gap.