A double slit experiment is performed with light of wavelength 500 nm. A thin film of thickness 2 μm and refractive index 1.5, is introduced in the path of the upper beam. The location of the central maximum will:

Shift downwards by nearly two fringes

Shift upwards by nearly two fringes

A double slit experiment is performed with light of wavelength 500 nm.

1.	A double slit experiment is performed with light of wavelength 500 nm. A thin film of thickness 2 μm and refractive index 1.5, is introduced in the path of the upper beam. The location of the central maximum will:
A.	Remain unshifted
B.	Shift downwards by nearly two fringes
C.	Shift upwards by nearly two fringes
D.	Shift downwards by 10 fringes
Answer» D. Shift downwards by 10 fringes

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A double slit experiment is performed with light of wavelength 500 nm. A thin film of thickness 2 μm and refractive index 1.5, is introduced in the path of the upper beam. The location of the central maximum will:

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