Consider the following statements:(a) LASER diode generates monochromatic coherent light which reduces chromatic dispersion(b) LASER source is useful for high power long-distance optical communication(c) LASERs have longer lifetime than LEDs(d) LASER diodes are less temperature-sensitive than LEDsWhich of the above statements are correct?

Consider the following statements:(a) LASER diode generates monochroma

1.	Consider the following statements:(a) LASER diode generates monochromatic coherent light which reduces chromatic dispersion(b) LASER source is useful for high power long-distance optical communication(c) LASERs have longer lifetime than LEDs(d) LASER diodes are less temperature-sensitive than LEDsWhich of the above statements are correct?
A.	(a) and (b)
B.	(a) and (c)
C.	(b) and (d)
D.	(b) and (c)
Answer» B. (a) and (c)

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