An ink mark on a sheet of paper is viewed through a glass slab of thickness `t` and refractive index `mu`. Through what distance the mark appears to be raised ?

A small ink dot on a paper is viewed through a glass slab of thickness 10cm and refractive index 1.5. By what distance would the dot appear to be raised?

A small ink dot on a paper is viewed through a glass slab of thickness 10 cm , and refractive index 1.5 . By what distance would the dot appear to be raised ?

A small ink dot on a paper is viewed through a glass slab of thickness 10cm and refractive index 1.5. By what distance would the dot appear to be raised?

A small ink dot on a paper is viewed through a glass slab of thickness 10cm and refractive index 1.5. By what distance would the dot appear to be raised?

What is the time taken by light to travel through a glass slab of thickness ‘d’ and refractive index mu ?

A small ink dot on a paper is seen through s glass slab of thickness 4 cm and refractive index 1.5 . The dot appears to be raised by

The time taken by a ray of light to travel through a glass slab of thickness 2 cm and refractive index 1.5 will be

Two parallel rays are travelling in a medium of refractive index mu_(1)=4/3 . One of the rays passes through a parallel glass slab of thickness t and refractive index mu_(2)=3/2 The path difference between the two rays due to the glass slab will be

A ray of light passes through a glass slab of thickness t and refractive index mu . If the speed of light in air be 'c', the time taken by the ray to cross through the plate is _______