Home
Class 12
PHYSICS
A ray of light, travelling parallel to d...

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

a. `180`

B

b. `20`

C

c. `179`

D

d. `19`

Text Solution

Verified by Experts

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 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 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

A ray is incident on a sphere of refractive index sqrt(2) as shown in figure. Angle of refraction of the ray inside sphere is 30^(@) if total deviation suffered by the ray is 30x^(0) , then find x.

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.

A mark placed on the surface of a sphere is viewed through glass from a position directly opposite. If the diameter of the sphere is 10 cm and refractive index of glass is 1.5 , find the position of the image.

A right circular cylinder just encloses a sphere of radius r as shown in figure. Find the i.surface area of the sphere ii curved surface area of the cylinder iii. ratio of the area obtained in (i) and (ii)

A ray of light travelling parallel to the principal axis, passes through the ......... (principal focus/centre of curvature) after reflection, in case of a concave mirror.

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.