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Two full turns of the circular scale of a screw gauge cover a distance of `1mm` on its main scale. The total number of divisions on the circular scale is `50`. Further, it is found that the screw gauge has a zero error of `- 0.03mm`. While main scale reading of `3mm` and the number of circular scale divisions in line with the main scale as `35`. the dimeter of the wire is

A

3.32 mm

B

3.73 mm

C

3.67 mm

D

3.38 mm

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The correct Answer is:
D
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MOTION-ERRORS , THEORY -EXERCISE 4 (LEVEL -I)
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  4. in an experiment the angles are required to be using an instrument, 29...

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  9. A student measured the length of a rod and wrote it as 3.50 cm. Which ...

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  10. The period of oscillation of a simple pendulum is T = 2pisqrt((L)/(g))...

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  12. A screw gauge with a pitch of 0.5mm and a circular scale with 50 divis...

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  13. Student I ,II , and III perform an experiment for measuring the accele...

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  14. A student performed the experiment of determination of focal length of...

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  15. A student uses a simple pendulum of exactly 1m length to determine g, ...

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