In Fresnel's biprism experiment, if the distance between the slits is gradually increased, the fringe width in the interference fringe pattern obtained will:

first increase and then decrease

In Fresnel's biprism experiment, if the distance between the slits is

1.	In Fresnel's biprism experiment, if the distance between the slits is gradually increased, the fringe width in the interference fringe pattern obtained will:
A.	decrease
B.	increase
C.	remain unchanged
D.	first increase and then decrease
Answer» B. increase

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In Fresnel's biprism experiment, if the distance between the slits is gradually increased, the fringe width in the interference fringe pattern obtained will:

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