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Recent questions tagged telegram-3337

(chatquestion)...D) mg + F.cos0 Q44 Two radioactive materials X and Y initially contain equal number of atoms. Their half life is 1 hour and 2 hours respectively. What is ratio of rates of disintegration after two hours ? B) 4. /2 1/4 D) 2 45 There is a circular coil of radius R carrying current I. There is a point on the axis of circular coil at a distance r from the centre B is magnetic feld intensit

asked Jan 27, 2020 by balaji.thirumalai

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