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प्रश्न
Fill in the blank with suitable word:
When a ray of light enters a prism, it bends ................ the normal ; as it leaves the prism, it bends ................. the normal.
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उत्तर
When a ray of light enters a prism, it bends towards the normal; as it leaves the prism, it bends away from the normal.
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संबंधित प्रश्न
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
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 coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow
When white light passes through a prism, it ............
The seven colours in the spectrum of sunlight in order, are represented as :
State the speed of light in (a) air, (b) water, and (c) glass
How does the speed of light determine the optical density of a medium?
Which is optically denser: water or air? Give reason
In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray
(a) is parallel to the incident ray.
(b) is along the same direction of incident ray.
(c) gets deviated and bends towards the thinner part of the prism.
(d) gets deviated and bends towards the thicker part (base) of the prism.
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
The wavelength range of white light is ______.
The process of separation of light into its component colours while passing through a medium is called _______.
Draw a neat and labelled diagram for dispersion of light.
Observe the given figure and answer the following questions.
- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
The splitting of white light in to seven colors is called ______.
The sunlight can be split into its constituent colors using ______.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
State True or False:
"Wavelength of red light is close to 700 nm.”
