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प्रश्न
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
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उत्तर
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संबंधित प्रश्न
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
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
How could you show that the colours of the spectrum combine to give white light?
Name the process which is involved in the formation of a rainbow.
Which of the following coloured light has the least speed in glass prism?
(a) violet
(b) yellow
(c) red
(d) green
The splitting of white light into its constituent colours is called .............
How does the speed of light determine the optical density of a medium?
The frequency range of visible light is from 3.75 × 1014 Hz to 7.5 × 1014 Hz. Calculate its wavelength range. Take speed of light = 3 × 108 m/s.
While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below. 
(A) I
(B) II
(C) III
(D) IV
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
An object is placed in front of a converging lens and in front of a diverging lens as in fig.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.
The wavelength range of white light is ______.
A wave has wavelength 50Å of name the wave.
A wave has wavelength 50Å of State its one use.
Write the range of wavelength of the visible spectrum.
In the diagram, a narrow beam of white light is incident on a right-angled isosceles prism. The critical angle of the material of prism for the yellow colour of white light is 45°. Complete the diagram to show the path of blue, yellow, and red colours of white light till they emerge out of the prism.
Observe the given figure and write appropriate phenomenon of light in the box.
The periscope is an optical device with a polished surface that reflects the light falling on it.
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.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
