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How does a ray of light bend when it ravels from: (i) Rarer to denser medium. (ii) Denser to rarer medium. (iii) When it is normal to the interface of the two media. |
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Answer» (i) When a ray of light travels from rarer to denser medium it bends towards the normal. (ii) When a ray of light travels from denser to rarer medium it bends away from the normal. (iii) The ray goes straight into second medium without any bending. |
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