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प्रश्न
What is a rainbow?
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उत्तर
A rainbow is a curving optical phenomenon of seven colours caused by the refraction, reflection, and dispersion of sunlight in water droplets. The rainbow is seen as a large area in the sky with many colors.
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संबंधित प्रश्न
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.
How could you show that the colours of the spectrum combine to give white light?
When white light passes through a prism, it ............
Explain the cause of dispersion of white light through a prism.
Explain briefly, with the help of a neat labelled diagram, how white light gets dispersed by a prism. On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light ?
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.
The phenomenon of splitting of light into its component colours is ___________ .
The sunlight can be split into its constituent colors using ______.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
