CUET-UG SERIES Physics
Light Emitting Diode Led
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2023 Chapter Questions 1 MCQs
01
PYQ 2023
medium
physics ID: cuet-ug-
Why do light emitting diodes are preferred over conventional incandescent low power lamps?
1
High operational voltage and less power
2
Short life and ruggedness
3
The bandwidth of emitted light is 10 nm to 50 nm
4
Warm up time required