Consider the following statements: Laser is an acronym for light amplification by stimulated emission of radiation. In comparison to LED, it has: (i) Higher emission efficiency (ii) No tuning arrangements (iii) Narrow spectral width (iv) Provision for confinement Of the statements:

(i), (ii) and (iii) are correct

(i), (iii) and (iv) are correct

(i), (ii) and (iii) are correct

Consider the following statements: Laser is an acronym for light ampli

1.	Consider the following statements: Laser is an acronym for light amplification by stimulated emission of radiation. In comparison to LED, it has: (i) Higher emission efficiency (ii) No tuning arrangements (iii) Narrow spectral width (iv) Provision for confinement Of the statements:
A.	(i), (iii) and (iv) are correct
B.	(i), (ii) and (iii) are correct
C.	(i) and (iii) are correct
D.	(i), (ii) and (iv) are correct
Answer» B. (i), (ii) and (iii) are correct

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Consider the following statements: Laser is an acronym for light amplification by stimulated emission of radiation. In comparison to LED, it has: (i) Higher emission efficiency (ii) No tuning arrangements (iii) Narrow spectral width (iv) Provision for confinement Of the statements:

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Consider the following statements: Laser is an acronym for light amplification by stimulated emission of radiation. In comparison to LED, it has:
(i) Higher emission efficiency
(ii) No tuning arrangements
(iii) Narrow spectral width
(iv) Provision for confinement Of the statements: