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प्रश्न
How are rainbows formed?
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उत्तर
Rainbow is formed by dispersion of sunlight into its constituent colours by raindrops which disperse sunlight by refraction and deviate the colours by total internal reflection.
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संबंधित प्रश्न
What is prism?
How do you obtain a spectrum of light?
What is angle of minimum deviation?
Why does the sky appear to be blue while the clouds appear white?
Square prism is also called a ______.
Rectangular prism is also called a ______.
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In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain drop after ______.
How does the angle of minimum deviation produced by a prism change with increase in
- the wavelength of incident light, and
- the refracting angle of prism?
