Home
Class 12
PHYSICS
Explain why elemental semiconductor cann...

Explain why elemental semiconductor cannot be used to make visible LEDs.

Text Solution

Verified by Experts

In elemental semiconductor, the band gap is such that the emission are in infrared region and not in visible region
Promotional Banner

Topper's Solved these Questions

  • ELECTRONIC DEVICES

    PRADEEP|Exercise SAMPLE PROBLEM|2 Videos

  • ELECTRONIC DEVICES

    PRADEEP|Exercise CONCEPTUAL PROBLEMS|1 Videos

  • ELECTROMAGNETIC WAVES

    PRADEEP|Exercise II Focus multiple choice question|5 Videos

  • ELECTROSTATICS

    PRADEEP|Exercise ASSERTION-REASON TYPE QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

Explain why, any metal wire or metal strip cannot be used in place of fuse wire.

Water cannot be used to extinguish petrol fire. Explain.

(a) Of what substance is the fuse wire made ? Why ? (b) Explain why, a copper wire cannot be used as a fuse wire.

Explain why ferromagnetic substances are used to make permanent magnets.