In a diffraction pattern by a wire, on increasing diameter of wire, fr

1.	In a diffraction pattern by a wire, on increasing diameter of wire, fringe width [RPMT 1998]
A.	Decreases
B.	Increases
C.	There is gravitational effect on the light
D.	Increasing or decreasing will depend on wavelength
Answer» B. Increases

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In a diffraction pattern by a wire, on increasing diameter of wire, fringe width [RPMT 1998]

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