NEET Physics Question - Modern Physics

Assertion (A): In solid each electron will have a different energy level.

Reason (R): In solid crystal each electron has a unique position and no two electrons see exactly the same pattern of surrounding charges.

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

Both (A) & (R) are true but the (R) is not the correct explanation of the (A)

(A) is true but (R) is false

Both (A) and (R) are false

Solution:

Due to the Pauli exclusion principle, no two electrons can occupy the same quantum state. In a solid, each electron experiences a unique electrostatic environment. Thus, Assertion (A) is true, and Reason (R) provides the correct explanation for it.

Rankers Physics

Electron Energy Levels in Solids

Solution:

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