Young's double slit experiment is conducted in a liquid of refractive index `mu_1` as shown in figure. A thin transparent slab of refractive index `mu_2` is placed in front of the slit `s_2`. The magnitude of optical path difference at 'O' is

A YDSE is conducted in water (mu_(1)) as shown in figure. A glass plate of thickness t and refractive index mu_(2) is placed in the path of S_(2) . The optical path difference at O is

An equiconvex lens of refractive index mu_(2) is placed such that the refractive :

A Young's double-slit experiment is conducted in water (n_(1)) as shown in the following figure, and a glass plate of thickness t and refractive index n_(2) is placed in the path of S_(2) . Wavelength of light in water is lambda . Find the magnitude of the phase difference between waves coming from S_(1) and S_(2) at O.

There is a Young's double-slit experiment set-up completely dipped in water. Assume that the refractive index of water is mu_1 . One of the slits is covered with a thin film of thickness t and refractive index mu_2 . What will be the optical path difference at the centre of screen ?

In a Young's double slit experimental arrangement shown here, if a mica sheet of thickness t and refractive indec mu is placed in front of the slit S_1 , then the path difference (S_1P-S_2P) is

When a thin transparent plate of thickness t and refractive index mu is placed in the path of one the two interfering waves of light, then the path difference changes by

Young's double-slit experiment is performed in a medium with refractive index greater than that of air. How will the interference pattern differ from the one performed in air as the medium?

A vessel of depth d is half filled with a liquid of refractive index mu_1 and the other half is filled with a liquid of refractive index mu_2 . The apparent depth of the vessel, when looked at normally, is

A vessel of depth 2d cm is half filled with a liquid of refractive index mu_(1) and the upper half with a liquid of refractive index mu_(2) . The apparent depth of the vessel seen perpendicularly is