Ruchi’s mother was selling old newspapers to rag picker. When rag picker was weighing the newspapers, ruchi saw that he had kept something below the pan of balance while balancing. She asked rag picker to show her below the balance. Realizing that he had been caught, he started apologizing and removed the magnet which he had placed below the pan. (i)What values do you attribute to ruchi? (ii)If the initial reading on the scale is (2±0.2) kg and final reading is (36±0.3) kg, calculate the increase in mass with proper error limits. (iii)What other methods do shopkeepers usually use to cheat customers? (iv)what do you mean by Random error.
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ruchi ka father may hu itna bada que kon lokhta hai beee
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Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points
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