Using a half filled glass of water and a pen/ pencil show the refraction of light. click your picture doing the activity. Also explain why this happens.
Answers
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Explanation - The curved surface causes the light rays to bend slightly outward, like the spreading of a fan, as they pass through. That widens the image of the pencil that reaches your eye. It is the same "magnifying lens" phenomenon that makes things look fatter when viewed through a glass of water
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Answer:
When a pencil is kept in a glass tumbler of water, it appears bent due to refraction of light. When a ray of light travels from a rarer medium(air) to a denser medium(water) it bends towards the normal. Thus, the pencil appears bent.
However, if the pencil is kept inside turpentine or kerosene the bending is not the same as water since it is less dense than water(refractive index of kerosene is greater than water)