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| Q. |
A water tank appears shallower when it is viewed from top due to – |
| A. | rectilinear propagation of light |
| B. | reflection |
| C. | total internal reflection |
| D. | refraction |
| Answer» D. refraction | |
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Explanation: This phenomenon is because of refraction of light. The lines of sight intersect at a higher position than where the actual rays originated. This causes the water to appear shallower than it really is. |
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