Question

65.
Coherence makes a laser light
none
(a) orderly way
(d)
(b) temporal coherence
(c) optical music
(d) none of these​

Answer 1

Answer:

d

Explanation:

because they highly coherent. Coherence is one of the unique properties of laser light. It arises from the stimulated emission process which provides the amplification. Since a common stimulus triggers the emission events which provide the amplified light, the emitted photons are "in step" and have a definite phase relation to each other.