By keeping in mind the definition of refraction. Put a pencil in a glass of water. Kneel down to the level of the glass and look at the pencil through the water. What do you notice, is it bent or not. Write your observations.
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When you sight at the portion of the pencil that was submerged in the water, light travels from water to air (or from water to glass to air). This light ray changes medium and subsequently undergoes refraction. As a result, the image of the pencil appears to be broken.
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When you sight at the portion of the pencil that was submerged in the water, light travels from water to air (or from water to glass to air). This light ray changes medium and subsequently undergoes refraction. As a result, the image of the pencil appears to be broken.
Explanation:
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