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If error in measuring diameter of a circ...

If error in measuring diameter of a circle is 4 %, the error in the radius of the circle would be

A

0.02

B

0.08

C

0.04

D

0.01

Text Solution

Verified by Experts

The correct Answer is:
C
`because D=2R:.(DeltaD)/(D)=(DeltaR)/(R)`
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ALLEN-ERROR AND MEASUREMENT-Part-2(Exercise-1)
  1. The density of a cube is measured by measuring its mass and the length...

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  2. An experiment measures quantites a, b, c and X is calculated from the ...

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  3. If error in measuring diameter of a circle is 4 %, the error in the ra...

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  4. If the percentage errors of A,B,and C are a, b, and c, respectively ,t...

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  5. The diameter of a wire is measured with a screw gauge having least cou...

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  6. While measuring the acceleration due to gravity by a simple pendulum ,...

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

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

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  9. When a copper sphere is heated, maximum percentage change will be obse...

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  10. The period of oscillation of a simple pendulum in the experiment is re...

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  11. The significant digits in 200.40 are

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  12. A scientist performs an experiment in order to measure a certain physi...

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  13. A physical quantity X is represented by X = (M^(x) L^(-y) T^(-z). The ...

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  14. If error in measuring diameter of a circle is 4 %, the error in circum...

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  15. A wire has a mass 0.3+-0.003g, radius 0.5+-0.005mm and length 6+-0.06c...

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  16. The length of a cylinder is measured with a meter rod having least cou...

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  17. The volume of a sphere is .176 m^3 What will be the volume of 25 such ...

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  18. What is the fractional error in g calculated from T = 2 pi sqrt((l)/(g...

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  19. The resistance R = V//i, where V = 100 +- 5 V and I = 10+- 0.2 A. What...

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  20. The length, breadth and thickness of a strip are given by l = (10.0 +-...

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