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Two full turns of the circular scale of a screw gauge cover a
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Two full turns of the circular scale of a screw gauge cover a distance of 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 . While measuring the diameter of a thin wire, a student notes the main scale reading of and the number of circular scale divisions in line with the main scale as 35 . Then what is the diameter (in ) of the wire ?

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Two full turns of the circular scale of a screw gauge cover a distance of 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 . While measuring the diameter of a thin wire, a student notes the main scale reading of and the number of circular scale divisions in line with the main scale as 35 . Then what is the diameter (in ) of the wire ?
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Text SolutionText solutionverified iconVerified

Least count of screw gauge is given by

Reading Main scale reading circular scale reading (zero error)
On putting the respective values, we get
Reading
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Question Text
Two full turns of the circular scale of a screw gauge cover a distance of 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 . While measuring the diameter of a thin wire, a student notes the main scale reading of and the number of circular scale divisions in line with the main scale as 35 . Then what is the diameter (in ) of the wire ?
Updated OnAug 7, 2022
TopicUnits and Measurements
SubjectPhysics
ClassClass 11
Answer TypeText solution:1 Video solution: 22
Upvotes2204
Avg. Video Duration7 min