A double slit experiment is performed wi...

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

remain unshifted

Shift downward by nearly two fringes

Shift upward by nearly two fringes

Shift downward by 10 fringes.

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NARAYNA-WAVE OPTICS-Exercise - 3

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