Assertion : Electron requires 0.7 eV to

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Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Assertion : Electron requires 0.7 eV to jump from conduction band to valence band.

Reason : The band gap of the sample is 0.7 eV.

Options:

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

Both (A) and (R) are true but(R) is NOT the correct explanation of (A).

(A) is true but (R) is false.

(A) is false but (R) is true.

Correct Answer:

(A) is false but (R) is true.

Explanation:

Note : Electron requires 0.7 eV to jump from valence band to conduction band.