Home
Class 11
PHYSICS
A ray of light falls on a transparent sp...

A ray of light falls on a transparent sphere with centre at C as shwon in figure. The ray emerges from the sphere parallel to line AB. The refractive index of the sphere is

Text Solution

Verified by Experts

Deviation by a sphere is 2(I -r)
Here deviation `delta=60^@=2(i-r) or i-r =30^@`
`therefore r=i-30^@ =60^@-30^@= 30^@`
`therefore mu = (sin i)/ (sin r)= (sin 60^@)/(sin 30^@)=sqrt3`
Promotional Banner

Similar Questions

Explore conceptually related problems

A ray of light falls on a transparent sphere with centre at C as shown in figure. The ray emerges from the sphere parallel to line AB. The refractive index of the sphere is

A ray of light falls on a transparent sphere with centre at C as shown in figure. The ray emerges from the sphere parallel to line AB. The refractive index of the sphere is

A parallel beam of light falls on a solid tranparent sphere. Q. Which is corret?

A parallel beam of light emerges from the opposite surface of the sphere when a point source of light lies at the surface of the sphere. The refractive index of the sphere is

A ray of light is falling on a glass sphere of mu=sqrt(3) such that the incident ray and the emergent ray, when produced, intersect at a point on the surface of the sphere. Find the value of angle of incidence.

A ray of light falls on a right angled prism ABC (AB=BC) and travels as shown in figure. What is the refractive index of material of the prism ?

Two light rays 1 and 2 are incident on two faces AB and AC on an isosceles prism as shown in the figure. The rays emerge from the side BC. Then,

A ray of light, travelling parallel to diameter of a sphere enters the sphere through a hole at point A as shown in the figure. The inner surface of the sphere is made perfectly reflecting. Find the number of reflections suffered by the ray before coming out of the sphere.

A parallel beam of light falls on a solid tranparent sphere. Q. If however thin beam is focussed at A, then find the refractive index of the sphere,

A transparent sphere of radius R ahs a cavity of radius R//2 as shown in figure,. Find the refractive index of the sphere if a parallel beam of light falling on left sureface focuses at point P.