Give scientific reasons : (Any two) (i) A pencil dipped in water obliquely appears bent at the surface of water. houn hiph melting points.
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Answer:
when we dip the pencil in the water we can see the pencil is Benny because of the refraction of light
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1
Answer:
Water has higher refractive index than air which causes refraction. Due to the change in medium the speed of light decreases. The refraction causes difference in speed of light the stick kept in water appears to be bent or broken.
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