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प्रश्न
The splitting up of white light into seven colours on passing through a glass prism is called ______.
पर्याय
refraction
deflection
dispersion
scattering
reflection
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उत्तर
The splitting up of white light into seven colours on passing through a glass prism is called dispersion.
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.
The speed of light in air or vacuum is
Out of air and glass, which is optically rarer? 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.
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.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Differentiate between a glass slab and a glass prism.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
The angle of deviation through a prism is minimum when
- Incident rays and emergent rays are symmetric to the prism.
- The refracted ray inside the prism becomes parallel to its base.
- The angle of incidence is equal to that of the angle of emergence.
- When the angle of emergence has doubled the angle of incidence.
Choose the correct answer from the options given below:
