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When light passes from a rarer medium to a denser medium, it bends:
Answer & Solution
Correct answer: B.
1. Light slows down in the denser medium.
2. By Snell's law, this means the refracted ray bends towards the normal.
3. Reverse direction (denser to rarer) would bend the ray away from the normal.
_Source: NCERT Class 10 Science, Ch 9 "Light Reflection and Refraction", §9.3_
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