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The time period of a seconds pendululm i...

The time period of a seconds pendululm is measured repeatedly for three times by two stop watches A, B . If the readings are as follows
`{:("S.NO.", A, B)(1, 2.01 "sec", 2.56 "sec"),(2, 2.10 "sec", 2.55 "sec"), (3, 1.98 "sec", 2.57 "sec"):}`

A

A is more accurate but B is more precise

B

B is more accurate but A is more precise

C

A, B are equally precise

D

A, B are equally accurate

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A
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
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