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प्रश्न
Observe the figure and name the ray AB, ray CD, ray GH.
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उत्तर
- Ray AB - Incident ray
- Ray CD - Refracted ray
- Ray GH - Emergent ray
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संबंधित प्रश्न
When a ray of light travels from air to glass slab and strikes the surface of separation at 90°, then it …………….
(a) bends towards normal
(b) bends away from normal
(c) passes unbent
(d) passes in zigzag way
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