Reshma bought three identical metal bars from the market. Out of these - Questions at the end of chapter (Page 74, 75 & 76)

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Question 5 (Page 75) Reshma bought three identical metal bars from the market. Out of these bars, two were magnets and one was just a piece of iron. How will she identify which two amongst the three could be magnets (without using any other material)?Bring two bars together If they attract on one side and repel on other side then both of these are magnets and third one will be a piece of iron If they attract on both sides then one is magnet and one is a piece of iron In this case, we will replace second bar with the third bar and try again

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 15 years and a teacher from the past 19 years. He teaches Science, Economics, Accounting and English at Teachoo