CUET · PHYSICS · PYQ PAPER 2025
Arrange the following in the increasing order of their energy band gap
(A) Si
(B) Ge
(C) C
(D) Sn
Choose the correct answer from the options given below:
- A (B), (A), (C), (D)
- B (D), (B), (A), (C)
- C (B), (A), (D), (C)
- D (C), (B), (A), (D)
Answer & Solution
Correct Answer
(B) (D), (B), (A), (C)
Step-by-step Solution
Detailed explanation
(D) Sn \(E_g \approx 0.08\) eV (B) Ge \(E_g \approx 0.67\) eV (A) Si \(E_g \approx 1.12\) eV (C) C (Diamond) \(E_g \approx 5.5\) eV Increasing order: (D), (B), (A), (C)
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