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The diameter of a wire is measured with ...

The diameter of a wire is measured with a screw gauge having least count `0.01 mm`. Out of the following the one which correctly expresses its diameter is

A

0.20 cm

B

0.002 m

C

2.00 mm

D

0.2 cm

Text Solution

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The correct Answer is:
C
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ALLEN -ERROR AND MEASUREMENT-Part-2(Exercise-1)
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  2. If the percentage errors of A,B,and C are a, b, and c, respectively ,t...

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

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  4. While measuring acceleration due to gravity by a simple pendulum a stu...

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

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  6. The pressure on a square plate is measured by measureing the force on ...

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  7. When a copper sphere is heated, maximum per- centage change will be ob...

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

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  9. The significant digits in 200.40 are

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

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

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  12. If error in measuring diameter of a circle is 4% the error in circumfe...

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

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  14. The length of a cylinder is measured with a metre rod having least cou...

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

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  16. What is the fractional error in g calculated form T=2pisqrt(l//g) ? Gi...

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

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  18. The length, breadth and thickness of a strip are (10.0+-0.1)cm,(1.00+-...

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  19. The internal and external diameters of a hollow cylinder are measured ...

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  20. The radius of a disc is 1.2 cm. Its area according to idea of signific...

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