A beam of parallel rays of width b propagates in glass at an angle`theta`to its plane face .The beam width after it goes over to air through this faceis…….if the refractive index of glass is `mu.v`

A beam of parallel rays of width b cm propagates in glass at an angle theta to its plane face. What would the beam width b_(1) be after it goes over to air thrugh this face? (The refractive index of the glass is mu )

A beam of parallel rays of diameter 'b' propagates in glass at an angle theta to its plane. Find the diameter of the beam when it goes to air through this face. (n_(glass)=n)

A beam of parallel rays of diameter 'b' propagates in glass at an angle theta to its plane. Find the diameter of the beam when it goes to air through this face. (n_(glass)=n)

An parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^@ . Find the ratio of the width of the beam in glass to that in air, if the refractive index of glass is 1.5.

A parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^(@) . Find the ratio of width of the beam in the glass to that in the air if refractive index of glass is 3//2 .

A paralel beam of monochromatic light is incident on a glass slab at an angle of incidentce 45^@ . Find the ratio of width of beam in glass to that in air ( If refractive index of glass is 1.5).

A paralel beam of monochromatic light is incident on a glass slab at an angle of incidentce 45^@ . Find the ratio of width of beam in glass to that in air ( If refractive index of glass is 1.5).