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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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- (i), (iii) and (iv) are correct
- (i), (ii) and (iii) are correct
- (i) and (iii) are correct
- (i), (ii) and (iv) are correct
- (i), (iii) and (iv) are correct
Correct Option: A
NA
