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A physicist performs an experiment and t...

A physicist performs an experiment and takes 200 readings. He repeats the same experiment and now takes 800 readings. By doing so the probable error

A

remains the same

B

is four times

C

is halved

D

is reduced by a factor of 1/4

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -3
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  2. A student performs experiment with a simple pendulum and measure time ...

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  3. A physicist performs an experiment and takes 200 readings. He repeats ...

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  4. In mecasuring g using a simple pendulum a student makes a positive err...

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  5. The percentage error in surface area of a sphere is 6% then find the r...

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  6. In the measurement of volume of solid sphere using the formula V=(4)/(...

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  7. The external and internal diameters of a hollow cylinder are determine...

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  8. Resistance of a given wire is obtained by mea- suring the current flow...

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  9. In an experiment, the values of refractive index of glass were found t...

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  10. A physical quantity is represented by X = M^(@)L^(b)T^(-c) . If the pe...

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  11. In a simple pendulum experiment, length is measured as 31.4 cm with an...

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  12. Two capacitors of capacities (3pm0.09)mu F and (6pm 0.09)muF are conne...

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  13. In an experiment, the values of refractive index of glass were found t...

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  14. A rectangular metal slab of mass 33.333 g has its length 8.0 cm, bread...

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  15. The distance covered by a body in time (40.0 pm 0.4)m is (5.0pm 0.6)s....

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  16. The measured mass and volume of a body are 53.63 g and 5.8 cm^3 respec...

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  17. A student performs an experiment for determintion of g= (4pi^(2)L)/(T^...

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  18. An experiment is performed to obtain the value of acceleration due to ...

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  19. A student measured the diameter of a wire using a screw gauge with the...

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  20. A physical quantity P is related to four observables a,b,c and d as fo...

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