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प्रश्न
A beam of light travelling in a rectangular glass slab emerges into air. Draw a ray-diagram indicating the change in its path.
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उत्तर
When a beam of light travelling in a rectangular glass slab emerges into air, it bends away from the normal.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
