The face AC of a prism ABC of refractin...

The face AC of a prism ABC of refracting angle `30^@` is silvered . A ray is incident on face AB at an angle of `45^@` as shown in figure . The refracted ray undergoes reflection at face AC and retraces its path . The refractive index of the prism is

`sqrt(2)`

`sqrt(2/3)`

`2/3`

`4/3`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA NEET SET 56
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET SET 58
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

State the conditions under which total internal reflection occurs. One face of a prism with a refracting angle of 30^(@) is coated with silver. A ray incident on another face at an angle of 45^(@) is refracted and reflected from the silver coated face and retraces its path. Find the refractive index of the material of the prism.

A prism ABC of angle 30^(@) has its face AC silvered. A ray of light incident at an angle of 45^(@) at the face AB retraces its path after refraction at face AB and reflection at face AC . The refractive index of the material of the prism is

One of the refracting surfaces of a prism of angle 30^(@) is silvered. A ray of light incident at angle of 60^(@) retraces its path. The refractive index of the material of prism is

One of the refracting surfaces of a prism of angle of 30^(@) is silvered. A ray of light incident at an angle of 60^(@) retraces its path. The refractive index of the material of prism is

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.

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^(@) so that it just suffers total internal reflection at the other face ? The refractive index of the prism is 1.524.

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^(@) , so that it just suffers total internal reflection at the other face ? The refractive index of the prism is 1.524 .

A glass prism has a refractive angle of 90^(@) and a refractive index of 1.5. A ray is incident at an angle of 30^(@) . The ray emerges from an adjacent face at an angle of

A ray of light is incident on an equilateral triangular prism parallel to its base as shown in the figure. The ray just fails to emerge from the face AC. If mu be the refractive index of the prism then the relation(s) is/are :

NTA MOCK TESTS-NTA NEET SET 57-PHYSICS

If the change in the value of g at a height h above the surface of the...
Text Solution
|
An artificial satellite moving in circular orbit around the earth has ...
Text Solution
|
A particle of mass m is acted upon by a force F= t^2-kx . Initially , ...
Text Solution
|
In an experiment , to find the loss of energy with respect to time in ...
Text Solution
|
A ball falling in a lake of depth 200 m shows a decrease of 0.1% in i...
Text Solution
|
A capillary glass tube records a rise of 20cm when dipped in water. Wh...
Text Solution
|
The moment of intertia of a disc about an axis passing through its cen...
Text Solution
|
Three identical blocks A, B and C are placed on horizontal frictionles...
Text Solution
|
A beam of alpha - particle is incident on a gold foil . Corresponding ...
Text Solution
|
According to Bohr's theory, the time averaged magnetic field at the ce...
Text Solution
|
The activity of a radioactive element decreases to one third of the or...
Text Solution
|
The stopping potential as a function of the frequency of the incident ...
Text Solution
|
According to Einstein's photoelectric equation , the graph between the...
Text Solution
|
The following figure shows a logic gate circuit with two inputs A and ...
Text Solution
|
In a common base transistor circuit, the current gain is 0.98. On cha...
Text Solution
|
A common emitter transistor amplifier has a current gain of 50. If the...
Text Solution
|
Calculate the dispersive power for crown glass from the given data m...
Text Solution
|
The face AC of a prism ABC of refracting angle 30^@ is silvered . A r...
Text Solution
|
A beam of light of wave length 600 nm from a distance source fall on a...
Text Solution
|
Two polaroids are placed in the path of unpolarized beam of intensity ...
Text Solution
|