Diodes — CSIR Net PYQ (Question 2)
A Diodes previous-year question (PYQ) from Electronics (CSIR Net). Read the question, check the correct answer, then practise the full topic.
Question 2 of 15 · 3.5 marks
The active medium in a blue LED (light emitting diode) is a alloy. The band gaps of GaN and InN are 3.5 eV and 1.5 eV respectively. If the band gap of varies approximately linearly with , the value of required for the emission of blue light of wavelength 400 nm is (take )
- 10.95
- 2
- 30.50
- 40.33
Correct answer: Option 2
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