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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

Text Solution

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The correct Answer is:
A
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Knowledge Check

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

    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

  • The time period ofa seconds pendulum is mea- sured 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

  • The period of sec (2x+5) is

    A
    `pi`
    B
    `2pi `
    C
    `4pi`
    D
    `pi//2 `

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