Question

4. Give two examples for the effects of refraction observed in nature
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Answer 1

Answer:

Twinkling of stars in a clear sky.

Glasses.

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Explanation:

Answer 2

Explanation:

1. when u dip a straw into the water ,u can see the image of a straw getting a bit bigger than it is in air

2.when u see an object through filled water bottles , the image of the object widens