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प्रश्न
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
विकल्प
True
False
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उत्तर
Rainbow is formed by dispersion of which light by water drops- True
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संबंधित प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
Describe how you could demonstrate that white light is composed of a number of colours.
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.
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.
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
The splitting of white light into its component colours is called ____________.
Which one of the following is involved for the formation of rainbow in the sky?
In dispersion, the color of light that will bend more is ______.
A prism of refractive index `sqrt2` and refracting angle A produces minimum deviation δm of a ray on one face at an angle of incidence 45°, The values of A and δm are, respectively ______.
