How does the fringe width of interfernce fringe change, when the whole apparatus of Young's experiment is kept in a liquid of refractive index 1.3?

What happens when a convex lens of refractive index 1.2 is immersed in a liquid of refractive index 1.3?

How does the angular separation of interfernce fringes change in Young's experiment, if the distance between the slits is increased?

Explain what happens ,when a convex lens of refractive index 1.2 is immersed in a liquid of refractive index 1.3.

In a Young's experiment,the width of the fringes objrtained with oligth of wavelength 6,000 overset@A is 2.0 mm.what will be the fringe width,if the entire apparatus is immersed in a iquid of erfractive index 1.33?

How does the angle of minimum deviation of a glass prism of refractive index 1.5 change,if it is immersed in a liquid of refrctive index 1.3?

A converging lens has a focal length of 20 cm in air. It is made of a material of refractive index 1.6. If it is immersed in a liquid of refractive index 1.3, what will be the new focal length? How does the nature of the lens change. If this lens is immersed is a liquid of refractive index 1.8 ?

A lens is made of flint glass(refractive index=1.5).When the lens is immersed in a liquid of refractive index 1.25 ,the focal length

If the apparatus is immersed in a liquid of refractive index 1.35,what would be the width of the central fringe?

In Young's double slit experiment the width of the fringes obtained with ith of wavelength 4,500 overset@A is 1.8 mm.If the distance between the two slits is 0.3 mm,find the distance of the screen from the slits.What will be the fringe width,if the enitre apparatus is immersed in water of refraction index 4//3 .