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The least countof a stop watch is 0.2 se...

The least countof a stop watch is 0.2 second. The time of 29 oscillatios of a pendulum is measured to be 25 second.The percentage error in the time period is

A

`0.1%`

B

`0.8%`

C

`1.8%`

D

`8%`

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AAKASH INSTITUTE ENGLISH-UNITS AND MEASUREMENTS-ASSIGNMENT SECTION B Objective (One option is correct )
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  2. The number of significant figures in the number 0.010780xx10^(-3) are

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  3. The least countof a stop watch is 0.2 second. The time of 29 oscillati...

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  4. A dimensionally correct equation be a correct equation and a dimensio...

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  5. Precision in measurement depends on

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  6. In an experiment to measure the diameter of a wire using a screw gauge...

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  7. 0.205-0.2014 can be expressed as

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  8. If speed of light is 3.00xx10^8 m/s and 1 year =365.25 days, then 1 li...

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  9. A wire has a mass (0.3+-0.003)g, radius (0.5+-0.005)mm and length (6+-...

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  10. The breadth of a thin rectangular sheet is measured as 10.1 cm. The ap...

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  11. The length of a rod is measured by four different instruments and the ...

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  12. The density of a cube is found by measuring its mass and the length o...

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  13. The linear momentum p of a particle is given as a function of time t a...

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  14. The kinetic energy of a particle depends on the square of speed of the...

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  15. In the relation p = (a)/(beta) e ^((aZ)/(k theta ), p is pressure Z i...

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  16. Find out the units and dimensions of the constants a and b in the vand...

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  17. The frequency f of vibrations of a mass m suspended from a spring of s...

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  19. Imagine a system of units in which the unit of mass is 100 kg, length ...

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  20. Which of the two have same dimensions

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