Home
Class 12
PHYSICS
A thin prism of crown glass (mur=1.515, ...

A thin prism of crown glass `(mu_r=1.515, mu_v=1.525) ` and a thin prism of flint glass `(mu_r=1.612, mu_v=1.632)` are placed in contact with each other. Their refracting angles are `5.0^@` each and are similarly directed. Calculate the angular dispersion produced by the combination.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DISPERSION AND SPECTRA

    HC VERMA|Exercise Objective -2|5 Videos
  • CAPACITORS

    HC VERMA|Exercise Exercise|68 Videos
  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Exercises|84 Videos

Similar Questions

Explore conceptually related problems

A thin prism of angle 6.0^@, omega'=0.07 and mu_y'=1.50 is combined with another thin prism having omega = 0.08 and mu_y = 1.60 . The combination produces no deviation in the mean ray. (a) Find the angle of the second prism. (b) Find the net angular dispersion produced by the combination when a beam of white light passes through it. (c) If the prisms are similarly directed, what will be the deviation in the mean ray ? (d) Find the angular dispersion in the situation described in (c).

The refractive index of a material M_1 changes by 0.014 and that of another material M_2 changes by 0.024 as the colour of the light is changed from red to violet. Two thin prisms one made of M_1 (A = 5.3^@) and other made of M_2(A = 3.7^@) are combined with their refracting angles oppositely directed. (a) Find the angular dispesion produced by the combination. (b) the prisms are now combined with their refracting angles similarly directed. Find the angular dispersion produced by the combination.

A crown glass prism of angle 5^@ is to be combined with a flint glass prism in such a way that the mean ray passes undeviated. Find (a) the angle of the flint glass prism needed and (b) the angular dispersion produced by the combination when white light goes through it. Refractive indices for red, yellow and viloet light are 1.514, 1.517 and 1.523 respectively for crown glass and 1.613 1.620 and 1.632 for flint glass.

Three thin prisms are combined as shown in figure. The refractive indices of the crown glass for red, yellow and violet rays are mu_r, mu_y and mu_v respectively and those for the flint glass are mu_r^', mu_y^' and mu_v^' respectively. Find the ratio A'/A for which (a) there is no net angular dispersion, and (b) there is no net deviation in the yellow ray.

The refractive indices of filnt glass for red and violet light are 1.613 and 1.632 respectively. Find the angular dispersion prouduced by a thin prism of flint glass having refracting angle 5^@

A certain material has refractive indices 1.56, 1.60 and 1.68 for red, yellow and violet light respectively. (a) Calculate the dispersive power. (b) Find the angular dispersion produced by a thin prism of angle 6° made of this material.

It mu_v=1.5230 and mu_R = 1.5145 , then dispersive power of a crown glass is

Light is incident from glass (mu = 1.50) to water (mu = 1.33) find the range of the angle of deviation for which there are two angles of incidence.

Two identical thin planoconvex glass lenses{refractive index 1.5) each having radius of curvature of 20 cm are placed with their convex surface in contact at the centre .The intervening space is filled with oil of refractive index 1.7.The focal length of the combination is.

One end of a cylindrical glass rod (mu = 1.5) of radius 1.0 cm is rounded in the shape of a hemisphere. The rod is immersed in water (mu= 4/3) and an object is placed in the water along the axis of the rod at a distance of 8.0 cm from the rounded edge. Locate the image of the object.