The material used in the fabrication of infrared $LED$'s is

  • A
    silicon
  • B
    germanium
  • C
    gallium arsenide
  • D
    carbon dioxide

Explore More

Similar Questions

The active area of a solar cell is $......$ so that the power obtained $......$.

What type of $p-n$ junction diode does not require forward bias to operate?

Which wavelength of the Sun is primarily used to generate electric energy in solar cells?

For $LED$s to emit light in the visible region of the electromagnetic spectrum,they should have an energy band gap in the range of:

An $LED$ is constructed from a $p-n$ junction diode using $GaAsP$. The energy gap is $1.9\; eV$. The wavelength of the light emitted will be equal to

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo