Question

Rainbow is the combined effect of the refraction dispersion and total internal reflection of light explain with diagram​

Answer 1

Answer:

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Then the sunlight inside the rain drop internally reflected and reaches the surface again. Thus internal reflection occurs. The light refraction depends upon its wavelength, i.e. colour and this effect is Dispersion. Hence rainbow is an effect of dispersion, refraction, and internal 'reflection of light'.

Answer 2

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A rainbow is caused by combined effects of reflection, refraction, and dispersion of light. This is a natural climatic phenomenon, often observed after a shower of rain.

Sunlight while pass-through droplets of water produce a spectrum of light that appears in the sky. It takes the form of a circular arc with multiple colour.arc.

Rainbows produced by sunlight always found to arise opposite the sun in the sky. Although rainbow is formed in full circle in the sky, we normally see only an arc formed by illuminated droplets.