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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2009
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Q)

A p–n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength :


( A ) 6000 Å
( B ) 496 Å
( C ) 6000 nm
( D ) 4000 nm

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