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When white light passes through a glass prism, among the seven colours of the spectrum, which colour bends the most?
AViolet
BRed
CGreen
DYellow
Answer & Solution
Correct answer: A. Violet
1. Different colours have different refractive indices in glass, so they bend through different angles.
2. The chapter states that among the seven colours, red bends the least while violet bends the most.
3. Violet also has the smallest wavelength (close to 400 nm), correlating with the largest bending.
4. Hence violet bends the most.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 6 "Refraction of Light", p.86_
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