English

As light rays emerge from a glass prism into air, are they refracted towards or away from the normal? - Science

Advertisements
Advertisements

Question

As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?

One Line Answer
Advertisements

Solution

As light rays emerge from a glass prism into the air, they are refracted away from the normal.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: The Human Eyes And The Colorful World - Exercise 4 [Page 288]

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 6 The Human Eyes And The Colorful World
Exercise 4 | Q 2 | Page 288

RELATED QUESTIONS

In the following diagram, the path of a ray of light passing through a glass prism is shown:

In this diagram the angle of incidence, the angle of emergence and the angle of deviation respectively are (select the correct option):

(A) X, R and T

(B) Y, Q and T

(C) X, Q and P

(D) Y, Q and P


Study the following figure in which a student has marked the angle of incidence (∠i), angle of refraction (∠r), angle of emergence (∠e), angle of prism (∠A) and the angle of deviation (∠D). The correctly marked angles are

(a) ∠A and ∠i

(b) ∠A, ∠i and ∠r

(c) ∠A, ∠i, ∠e and ∠D

(d) ∠A, ∠i, ∠r and ∠D


The path of a ray of light passing through a glass prism is shown below:

In this diagram, the angle of prism, angle of incidence, angle of emergence and angle of deviation, respectively, have been represented by:

(A) O, Y, Z and N,

(B) P, Y, M and Z,

(C) O, X, M and Z,

(D) P, X, Z and N.


A student is observing a diagram showing the path of a ray of light passing through a glass prism. He would find that for all angles of incidence the ray of light bends:


Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow


The speed of light in air or vacuum is


State the speed of light in (a) air, (b) water, and (c) glass


Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.


What do you understand by the term spectrum?

If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?


 If white light is used in same way what change is expected in the emergent beam?


What do you mean by spectrum?

Mention three properties of infra red radiations similar to the visible light. Give two such properties of infrared radiations which are not true for visible light.

Write the range of wavelength of the infrared spectrum.


Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.


In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.


Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.


State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.


During dispersion of white light by prism placed in air, for a particular value of angle of prism,


When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.

Which colour will show the maximum angle of deviation and which colour will show the minimum angle of deviation?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×