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JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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Understanding +4 | -1
The visible LED are made of a material having energy gap:
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Correct option: A
Larger than 1.8Ā eV1.8 \mathrm{~eV}
Option A is correct because visible LEDs emit light in the visible region, which corresponds to energy gaps larger than 1.8 eV.

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