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| Q. |
Which colour of light shows maximum deviation when passed through a prism? |
| A. | Red |
| B. | Green |
| C. | Violet |
| D. | Yellow |
| Answer» C. Violet | |
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Explanation: When passed through a prism violet colour of light shows maximum deviation. As white light passes through a prism, the voilet component, having the minimum wave length observes the maximum refractive index for the prism and, thus, gets deviated to the maximum extent. |
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