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A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible? |
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Answer» A coin is dropped in a swimming pool filled up with water. A man approaching the pool is just able to see the coin when he is at a distance of 1 metre from the edge of the pool. Next day the water of the pool was drained out. Now, at what distance from the edge, the coin will be just visible? |
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