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Question
Rakesh did an experiment in which he kept his pencil inside a glass of water. He observed that the pencil bent along its length inside the water. He repeated the experiment by changing the medium to oil and glycerine and noticed the same observation but the amount of bending was different in each case.
The amount of bending was different in each media because they have:
Rakesh did an experiment in which he kept his pencil inside a glass of water. He observed that the pencil bent along its length inside the water. He repeated the experiment by changing the medium to oil and glycerine and noticed the same observation but the amount of bending was different in each case.
The amount of bending was different in each media because they have:
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Solution
The correct option is B different refractive index
Water, oil and glycerine have different refractive index. Hence, the light suffers different refraction in each of the case. That's why Rakesh observed different bending of same pencil in each case.
Water, oil and glycerine have different refractive index. Hence, the light suffers different refraction in each of the case. That's why Rakesh observed different bending of same pencil in each case.
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