Question

Choose the number of correct statements

I) The twinkling of a star is due to atmospheric refraction star

light

II) The sun is visible to us about 2 minutes before the actual

sunrise and about 2 minutes after the actual sunset, because

of atmospheric refraction.

III) Scattering of light causes the blue colour of sky and the

reddening of the sun at sunrise and sunset

IV) The splitting of light into its component colours is called

dispersion

V) The splitting of light into its component colours is called prism

VI) Rainbow is a natural spectrum appearing in the sky after a

rain shower. It is caused by dispersion of sunlight by tiny

water droplets, present in the atmosphere

22. The range of vision of a normal human eye is ​

Answer 1

Answer:

25cm to infinity.........

Answer 2

Answer:

6.rainbow is a natural spectrum appearing in the sky

Explanation:

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