Home
Class 12
PHYSICS
A spherical ball of transparent material...

A spherical ball of transparent material has index of refraction`mu.` A narrow beam of light AB is aimed as shown. What must the index of refraction be in order that the light is focused at the point C on the opposite end of the diameter from where the light entered? Given that `xgt gtR.`

Text Solution

Verified by Experts

The correct Answer is:
2
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - H) Multiple True-FalseType Questions|3 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - I) Subjective Type Questions|6 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - F) Matrix-Match Type Questions|4 Videos
  • PHYSICAL WORLD

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (Section-B)|4 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

Similar Questions

Explore conceptually related problems

A narrow parallel beam of light is incident on a transparent sphere of refractive index n if the beam finally gets focused at a point situated at a distance= 2xx("radius of sphere") form the center of the sphere then find n ?

A parallel beam of light falls on a solid tranparent sphere. Q. For what value of refractive index mu , the thin beam can be focussed at centre of sphere.

What is the refractive index in a medium where the speed of light is 1.5xx10^8 m/s ?

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 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 circular beam of light (diameter d) falls on a plane surface of a liquid. The angle of incidence is 45^(@) and refractive index of the liquid is mu . The diameter of the refracted beam is

A beam of monochromatic light is refracted from vacuum into a medium of refractive index 1.5 The wavelength of refracted light will be

A monochromatic light beam of frequency 6.0xx10^14 Hz crosses from air into a transparent material where its wavelength is measured to be 300 nm. What is the index of refraction of the material?

If c is velocity of light in vacuum and v is the velocity of light in a medium of refractive index mu , then

A clear transparent glass sphere (mu=1.5) of radius R is immersed in a liquid of refractive index 1.25. A parallel beam of light incident on it will converge to a point. The distance of this point from the center will be