For optical sources, the following statements are given:a) They should have large spectral bandwidthb) They should have very narrow spectral line widthc) They should accurately track the electrical input signald) The source should have linearity propertyOut of the above, following are correct:

For optical sources, the following statements are given:a) They should

1.	For optical sources, the following statements are given:a) They should have large spectral bandwidthb) They should have very narrow spectral line widthc) They should accurately track the electrical input signald) The source should have linearity propertyOut of the above, following are correct:
A.	(a), (b), (c) only
B.	(b), (c) and (d) only
C.	(b) and (c) only
D.	(a), (c) and (d) only
Answer» C. (b) and (c) only

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For optical sources, the following statements are given:a) They should have large spectral bandwidthb) They should have very narrow spectral line widthc) They should accurately track the electrical input signald) The source should have linearity propertyOut of the above, following are correct:

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