Question

Give me notes of Dispersion phenomenon
1.Dispersion in Rainbow
2.Sunlight falls on Glass Prism
3.Petrol/Oil in water
4.Browniar Movement

Answer 1

1 Dispersion in Rainbow --
it take place when sunlight or can say white light passes from water droplet (which is present in atmosphere) . when light passes through water droplet it get split into different colours and this phenomena lead to formation of rainbow

2. Sunlight fall on glass prism --
when sunlight fall or can say passes from glass prism it get splited into different colours .

3. Petrol/oil in Water -- when we mix petrol or oil in Water it start to float on water because mass or can say weight of oil and petrol is very less as compared to weight of water.

4. Browniar movement--
the movement of microscopic particles in a fluid, as a result of continuous bombardment from molecules of the surrounding medium.

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