In a semiconductor, the energy gap between the valence and conduction bands is 1. 1 eV. It is expressed in joules as
A. `1.2xx10^(-19)` J
B. `1.76xx10^(-19)` J
C. `1.6xx10^(-19)` J
D. `3.2xx10^(-19)` J

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1 Answers

Correct Answer - B
Energy gap =1.1 eV = `1.1 xx 1.6 xx 10^(-19)=1.76xx10^(-19) ` J

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