Assertion (A): A Light Emitting Diode emits spontaneous radiation. Reason (R): L

Please wait…

1. Assertion (A): A Light Emitting Diode emits spontaneous radiation. Reason (R): LEDs are forward-biased p-n junctions. Which is correct?

Both A and R are true, and R correctly explains A

Both A and R are true, but R does not correctly explain A

A is true, but R is false

A is false, but R is true

 Loading…

 

Forward biasing an LED injects electrons and holes into its junction, where they recombine and spontaneously release energy as light — genuinely explaining why LEDs emit spontaneous, rather than stimulated, radiation.