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A student uses a spring balance of least count 10g wt and range 500g wt. He records the weight of small iron cube in air, in tap water and in a concentrated solution of common salt in water. If his three readings taken in this order are W1, W2 and W3, he is likely to observe that :(1) W1 > W2 > W3 (2) W3 > W2 > W1(3) W1 > W3 > W2(4) W2 > W1 > W3 |
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Answer» A student uses a spring balance of least count 10g wt and range 500g wt. He records the weight of small iron cube in air, in tap water and in a concentrated solution of common salt in water. If his three readings taken in this order are W1, W2 and W3, he is likely to observe that : (1) W1 > W2 > W3 (2) W3 > W2 > W1 (3) W1 > W3 > W2 (4) W2 > W1 > W3 |
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