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A 60 watt bulb is hung over the center of a table `4 m xx 4 m` at a height of 3 m . The ratio of the intensities of illumination at a point on the centre of the edge and on the corner of the table isA. `(17//13)^(3//2)`B. `2//1`C. `17//13`D. `5//4` |
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