Official PYQ · 2004Set 1 · Q43MCQ1 mark

GATE EC 2004 Set 1 Q43 — Electronic Devices

The longest wavelength that can be absorbed by silicon, which has the bandgap of $1.12 \; \mathrm{eV}$ , is $1$ . If the longest wavelength that can be absorbed by another material is $0.87 \; \mu \mathrm{m}$ , then the bandgap of this material is

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Published 10 Oct 2026

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