Q. 55.0( 1 Vote )

Hole is
A. an anti-particle of electron.

B. a vacancy created when an electron leaves a covalent bond.

C. absence of free electrons.

D. an artificially created particle.

Answer :

When an electron leaves an atom by breaking a covalent bond, a vacancy is created in that place. This vacancy can be filled by a neighboring electron that then creates a vacancy in that electron’s place. This vacancy is called a hole and can move as described above.

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