A ray of light normally on one of the fa...

A ray of light normally on one of the faces of a right-angled isosceles glass prism is found to be totally reflected. What is the minimum value of the refractive index of the material of the prism ?

Text Solution

Verified by Experts

Here `45^(@)gtC`
`becausesinC=1/mu`
`thereforesin45^(@)gt1/muor1/sqrt2gt1/muormugtsqrt2`

Topper's Solved these Questions

RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE|Exercise EXERCISE|47 Videos
RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - A)|42 Videos
RAY OPTICS AND OPTICAL INSTRUMENTS
AAKASH INSTITUTE|Exercise Assignment (Section - J) Aakash Challengers Questions|7 Videos
PHYSICAL WORLD
AAKASH INSTITUTE|Exercise ASSIGNMENT (Section-B)|5 Videos
SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )
AAKASH INSTITUTE|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

Similar Questions

Explore conceptually related problems

A ray of light incident normally on one of the faces of a right-angle isosceles prism is found to be totally reflected as shown in the figure. What is the minimum value of the refractive index of the material of the prism? When the prism is immersed in water, trace the path of the emergent ray for the same incident ray, indicating the values of all the angles (mu_omega=4//3) .

A ray of light is incident normally on one face of a right-angled isosceles prism and then it grazes the hypotenuse. The refractive index of the material of the prism is

A ray incident normally on one face of a right-angled isosceles glass prism in air is deviated through 90^(@) . What can you say about the refractive index of glass ?

A ray of light is incident on the hypotenuse of a right-angled prism after travelling parallel to the base inside the prism. If mu is the refractive index of the material of the prism, the maximum value of the base angle for which light is totally reflected from the hypotenuse is

A monochromatic ray of light is incident normally on one of the refracting surfaces of a prism . The emergent ray grazes the second refracting surface . What is the angle of the prism if the refractive index of the material of the prism is 1.6 ?

The angle of minimum deviation caused by a prism is equal to the angle of the prism. What are the possible values of refractive index of the material of the prism?

A ray of ligh is incident normally on one of the faces of right angled isosceles prism as shhown above. It undergoes total internal reflection from hypotenuse. Which on of the following is the minimum refractive index of the material of the prism?

An isosceles glass prism has one of its faces silvered. A light ray is incident normally on the other face which is identical in size to the silvered face. The light ray is reflected twice on the same sized faces and emerges through the base of the prism perpendicularly. Find the minimum value of refractive index of the material of the prism.

A ray of light is incident horizontally on the face AB of the.right angled prism as shown in the figure. If the ray emerges grazing the surface AC, find the value of phi . Refractive index of the material of the prism is given to be n.

AAKASH INSTITUTE-RAY OPTICS AND OPTICAL INSTRUMENTS-EXAMPLE

Show that for refraction at a concave spherical surface (separating gl...
Text Solution
|
A convex surface of radius of curvature 40 cm separate two media of re...
Text Solution
|
An object is placed 21 cm in front of a concave mirror of radius of cu...
Text Solution
|
A concave mirror of radius 40 cm lies on a horizontla tale and wateis ...
Text Solution
|
There is a small air bubble inside a glass sphere (mu=1.5) of radius ...
Text Solution
|
A thin lens made of glass of refractive index muu = 1.5 has a focal le...
Text Solution
|
The radius of curvature of the convex surface of a thin plano-convex l...
Text Solution
|
An equilateral glass prism is made of a material of refractive index 1...
Text Solution
|
A prism of refracting angle 4^(@) is made of a material of refractive ...
Text Solution
|
The angle of minimum deviation produced by a 60^(@) prism is 40^(@). C...
Text Solution
|
Calculate the angle of incidence on the face of a prism of refracting ...
Text Solution
|
A ray of light is incident at an angle of 60^@ on the face of a prism ...
Text Solution
|
For a ray of light refracted through a prism of angle 60^(@), the angl...
Text Solution
|
A ray of light normally on one of the faces of a right-angled isoscele...
Text Solution
|
The refractive indices of flint glass prism for violet, Yellow and Red...
Text Solution
|
Two small angled prisms A and B deviate the blue rays by 6^(@) and 8^(...
Text Solution
|
The difference between angle of minimum deviation of violet and red ra...
Text Solution
|
The focal length of a converging lens is 8 cm. Fins the magnification ...
Text Solution
|
A microscope consisting of two convex lenses of focal lengths 2 cm and...
Text Solution
|
The focal lengths of the objective and eyepiece of a telescope are 60 ...
Text Solution
|