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Engineering

Match List-I with List-II\nList-I (Purification technique)\n(A) Distillation (simple)\n(B) Fractional distillation\n(C) Distillation under reduced pressure\n(D) Steam distillation\nList-II (Mixture of organic compounds)\n(I) Diesel + Petrol\n(II) Aniline + Water\n(III) Chloroform + Aniline\n(IV) Glycerol + Spent-lye\nChoose the correct answer from the options given below :

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A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc and a particle of mass m is placed at the centre of the arc. The gravitational force on the particle by the wire is: [Diagram: Semicircular arc with mass m at center]

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