Question
Physics Question on Light Emitting Diode (LED)
Why do light emitting diodes are preferred over conventional incandescent low power lamps?
A
High operational voltage and less power
B
Short life and ruggedness
C
The bandwidth of emitted light is 10 nm to 50 nm
D
Warm up time required
Answer
The bandwidth of emitted light is 10 nm to 50 nm
Explanation
Solution
The correct option is(C):The bandwidth of emitted light is 10 nm to 50 nm