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The accuracy of a clock is one part in 1...

The accuracy of a clock is one part in `10^(10)`. The maximum difference between two such clocks operating for `10^(10)` secounds is......

A

1s

B

5s

C

10s

D

`10^(10)s`

Text Solution

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The correct Answer is:
A
`(Deltad)/d `
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Knowledge Check

  • The reflex angle between the hands of a clock at 10.25 is :

    A
    `192""1/2`
    B
    `195^(@)`
    C
    `180^(@)`
    D
    `197""1/2`

  • There are atomic (Cesium) clocks capable of measuring time with an accuracy of 1 part in 10^(11) . If two such clocks are operated to precision, then after running for 5000 years, these will record a difference of

    A
    `1` day
    B
    `1s`
    C
    `10^(11)s`
    D
    `1` year

  • A trader purchases a watch and a wall clock for Rs 390. He sells them making a profit of 10% on the watch and 15% on the wall clock. He earns a profit of Rs 51.50. The difference between the original prices of the wall clock and the watch is equal to

    A
    Rs110
    B
    Rs100
    C
    Rs80
    D
    Rs120
    • NARAYNA-UNITS AND MEASUREMENTS-EXERCISE -I (H.W)
    1. The accuracy of a clock is one part in 10^(10). The maximum difference...

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    2. The length of a rod is measured as 35.3cm then the graduations on the ...

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    3. If L = 2.06 cm pm 0.02 cm, B=1.11 cm pm 0.03 cm, then L+B equal...

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    4. The radius fo sphere is measured as (5.2 +- 0.2)cm then the percentag...

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    5. If the length and beradth of a plate are (5.0 +- 0.2)cm and (4.0 +- ...

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    6. If the length of a cylinder is measured to be 8.28cm with an error of ...

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    7. A student performs exeriment with simple pendulum and measures time f...

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    8. If L(1) = (3.03 +- 0.02)m and L(2) = (2.01 +- 0.02)m then L(1) + 2L(2)...

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    9. A body travels uniformly a distance of ( 13.8 +- 0.2) m in a time (4.0...

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    10. The pressure on a square plate is measured by measuring the force on t...

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    11. 2.34 is obtained by rounding off the number

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    12. The number of singnificant figures in 0.0006032 is

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    13. The radius of disc is 1.2cm its area according to idea of significant ...

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    14. When Energy is expressed in erg the no of significant figure is four. ...

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    15. sqrt(57.97) is

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    16. A stick has a length of 12.132cm and an other stick has a length of 12...

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    17. The respective number of significant figures for the numbers 23.023, 0...

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    18. The number of significiant figures in 5.69 xx 10^(15) kg is

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    19. The value of 124.2 + 52.487 with due regard to significant places is....

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    20. The value fo (9.270)/(41) with due regard to significant figures is.....

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