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Refraction at Glass slab - Lec-2...

Refraction at Glass slab - Lec-2

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Assertion: if a glass slab is placed in front of one of the slits, then fringe with will decreases. Reason: Glass slab with produce an additional path difference.

To determine refractive index of glass slab using a travelling microscope, minimum num- ber of readings required are :

Assertion : A beam of the white light shows no dispersion on emerging from a glass slab. Reason : Dispersion in a glass slab is zero.

A slab of water is on the top of a glass slab of refractive index 2. At what angle to the normal must a ray be incident on the top sureface of th eglass slab so that it is reflected from the bottom surface as shown in figure ?

Refractive index of the glass slab is 1.5. There is a point object O inside the slab as shown. To eye E_1 object appears at a distance of 6cm (From the top surface) and to eye E_2 it appears at a distance of 8cm (from the bottom surface). Find thickness of the glass slab.

A wave front AB moving in air is incident on a plane glass surface. XY , as given in the figure, its position CD after refraction through glass slab is shown along with normal drawn at A and D. the refractive index of glass w.r.t air is given by

Find the lateral shift of a light ray while it passws through a parallel glass slab of thickness 10 cm places in air. The angle of incidence in air is 60^(@) and the angle of refraction in glass is 45^(@) .

A ray of light is icncident at anangle of 60^@ on one face of a ractangular glass slab of thickness 2sqrt(3) mm refractive index sqrt(3) , Calculate the lateral shift produced in mm.

Ordinary light is incident on the upper surface of a glass slab at theh polarizing angle. Then

A ray of light 10^(-9) second to cross a glass slab of refractive index 1.5. The thickness of the slab will be