Single correct option
When white light passes through a glass prism, the colour that is deviated the most is
- A. red
- B. yellow
- C. green
- D. violet
Show answer and solution
Answer: (D) violet
The refractive index of glass is larger for shorter wavelengths, so violet bends most and red least. This difference in bending is what produces the spectrum. Red has the longest wavelength and is deviated least.
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