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If an object of height 5 em is placed perpendicular to the principal Axis at adistance of 15 cm from a convex lens of focal length 10 centimetre then theImage distance is |
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Answer» Answer: 20 MEN do a quarter port of a job in eight days. if the WORLD needs to be COMPLETED in the NEXT four days how MANY men are needed to achieve the target? |
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