57 The time period of a seconds pendulum is measured repeatedly for three times by two stop watches A B If the readings are as

Question

57 The time period of a seconds pendulum is measured repeatedly for three times by two stop watches A B If the readings are as follows B 1 2 01 sec 2 56 sec 2 2 10 sec 2 55 sec 3 1 98 sec 2 57 sec 1 A is more accurate but B is more precise 2 B is more accurate but A is more precise 3 A B are equally precise 4 A B are equally accurate S NO A

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