Sunlight falling on drops of rain in atmosphere produce a Rainbow Which of the following physical ph...........

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Sunlight falling on drops of rain in atmosphere produce a Rainbow. Which of the following physical phenomenon are responsible for this?

1. Total Internal Reflection

2. Dispersion

3. Refraction

4. Diffusion

5. Reflection

Select the correct answer using codes given below

1 and 5 only

2, 3 and 4 only

1,2,3 and 5 only

All of the above

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Explanation:

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light by water droplets resulting in a spectrum of light appearing in the sky.
When sunlight falls on the drops of rain formation of a Rainbow occurs in the sky. These droplets work as a prism for the rays coming from the sun. When the sunlight gets through these droplets, it results in refraction and dispersion in seven colors known as VIBGYOR. Then it goes to total internal reflection. This happens due to combined phenomena of Dispersion, Refraction, and Total Internal reflection in the atmosphere. Hence option 3rd is correct.