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QAIPMT-2009-Ph-2144: NEET 2009 Physics - Class 12 AIPMT-2009-Ph-2144 Solution: A p-n photodiode is fabricated from a semiconductor with a band …
A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength 4000 nm 6000 nm 4000 6000
Multiple Choice Options
- A 5 _ 1 0 _ 11
- B 8 _ 10 _ 11
- C 5 _ 10 7
- D 8 _ 10 7
Step-by-Step Verified Solution
Given, Energy = 2 eV = eE _
_ E = 2 e V e _ = 2 4 _ 10 _ 8 = 5 _ 10 7 V/m