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Repeat the activity “Refraction of light passing through a glass slb” by replacing the glass slab by a transparent plastic slab. (i) What similarity do you observe? (ii) What difference do you notice? |
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Answer» (i) Similarity: The emergent ray is parallel to the incident ray, but it is displaced sideways. (ii) Difference: For a given angle of incidence, the extent of refraction (bending) is different (in general, less) for a transparent plastic slab relative to the glass slab. |
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