A light beam of diameter `sqrt(3R)` is incident symmetrically on a glass hemispher of radius R and of refractive index `n=sqrt(3)` . Find radius of the beam at the base of hemispher.

A light beam of diameter sqrt(3R) is incident symmetrically on a glass hemisphere of radius R and of refractive index n=sqrt(3) . Find radius of the beam at the base of hemisphere.

A vertical beam of light of cross sectional radius (R)/(2) is incident symmetrically on the curved surface of a glass hemisphere of refractive index mu = (3)/(2) . Radius of the hemisphere is R and its base is on a horizontal table. Find the radius of luminous spot formed on the table. sin 20^(@) = (1)/(3) and sin 80^(@) = 0.98

A beam of diameter 'd' is incident on a glass hemisphere. If the radius of curvature of the hemisphere is very large in comparison to d, then the diameter of the beam at the base of the hemisphere will be

A horizontal ray of light is incident on a solid glass sphere of radius R and refractive index mu . What is net deviation of the beam when it emerged from the other side of the sphere?

A horizontal ray of light is incident on a solid glass sphere of radius R and refractive index mu . What is net deviation of the beam when it emerged from the other side of the sphere?

A uniform,horizontal beam of light is incident upon a quarter cylinder of radius R=5 cm and has a refractive index 2//sqrt(3) .A patch on the table for a distance 'x' from the cylinder is unilluminated ,find the value of 'x' ?

A uniform,horizontal beam of light is incident upon a quarter cylinder of radius R=5 cm and has a refractive index 2//sqrt(3) .A patch on the table for a distance 'x' from the cylinder is unilluminated ,find the value of 'x' ?

A uniform,horizontal beam of light is incident upon a quarter cylinder of radius R=5 cm and has a refractive index 2//sqrt(3) .A patch on the table for a distance 'x' from the cylinder is unilluminated ,find the value of 'x' ?