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| Q. |
Which colour of light shows maximum deviation when passed through a prism? |
| A. | White |
| B. | Red |
| C. | Violet |
| D. | Green |
| Answer» C. Violet | |
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Explanation: The angle of deviation, by which the light of a particular wavelength gets deviated on passing through a medium, depends upon the refractive index of the medium, as encountered by that light wavelength. The smaller the wavelength of the passing light, the greater is the refractive index observed. |
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