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प्रश्न
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
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उत्तर
As light rays pass from the air into a glass prism, they are refracted towards the normal because glass is denser than air.
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संबंधित प्रश्न
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
(iii) Based on this observation, state the conclusion which can be drawn about the constituents of white light.
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 diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
In the following ray diagram the correctly marked angle are:
(a) ∠i and ∠e
(b) ∠A and ∠D
(c) ∠i, ∠e and ∠D
(d) ∠r, ∠A and ∠D
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
State the cause of dispersion of white light
A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
A ray of light moving from an optically rarer to a denser medium
The property of splitting of white light into its seven constituent colours is known as
What do you understand by the term spectrum?
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
The wavelength range of white light is ______.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
