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qUESTIONS

MCQs-PYQs-12th-jee

Force necessary to pull a circular plate of 5 cm radius from water surface for which surface tension is 75 dynes/cm, is

MCQs-PYQs-12th-jee

A beaker of radius 15 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary diameter on the surface of the liquid is

MCQs-PYQs-12th-jee

Soap helps in cleaning clothes because

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