A screw gauge gives the following readings when used to measure

A screw gauge gives the following reading when used to measure the diameter of a wire. Main scale reading 0 mm Circular scale reading 52 divisions Given that 1mm on main scale corresponds to 100 divisions of the circular scale. The diameter of wire from the above data is (a) 0.052 cm (b) 0.026 cm (c) 0.005 cm (d) 0.52 cm

A Screw Guage gives the following readings when used to measure the diameter of a wire. Main scale reading = 0.0 mm Circular scale reading = 52 divisions Given that: 1 mm on the main scale corresponds to 100 divisions of the circular scale. The diameter of the wire from the above data is: 1. 0.026 cm 2. 0.005 cm 3. 0.52 cm 4. 0.052 cm Units and Measurement Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers • Recommended MCQs - 76 Questions • Recommended PYQs (STRICTLY NCERT Based) • Mini Q Banl-Units and Measurement • NCERT Solved Examples Based MCQs • NCERT Exercise Based MCQs • NCERT Exemplar (Objective) Based MCQs • AR & Other Type MCQs • Padma Shri H C Verma (Objective Exercises) Based MCQs • Past Year (2019 onward - NTA Papers) MCQs • Past Year (2016 - 2018) MCQs • Past Year (2006 - 2015) MCQs • Past Year (1998 - 2005) MCQs A Screw Guage gives the following readings when used to measure the diameter of a wire. Main scale reading = 0.0 mm Circular scale reading = 52 divisions Given that: 1 mm on the main scale corresponds to 100 divisions of the circular scale. The diameter of the wire from the above data is: 1. 0.026 cm 2. 0.005 cm 3. 0.52 cm 4. 0.052 cm Two full turns of the circular scale of gauge cover a distance of 1 mm on scale. The total number of divisions on circular scale is 50. Further, it is found that screw gauge has a zero error of -0.03 mm. While ...

A screw gauge gives the following readings when used to measure the diameter of a wire : Main scale reading: 0 mm Circular scale reading: 52 divisions Given that 1 mm on the main scale corresponds to 100 divisions on the circular scale, the diameter of the wire that can be inferred from the given data is 1. 0.26 cm 2. 0.052 cm 3. 0.52 cm 4. 0.026 NEET 2021 Exam Paper NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers A screw gauge gives the following readings when used to measure the diameter of a wire : Main scale reading: 0 mm Circular scale reading: 52 divisions Given that 1 mm on the main scale corresponds to 100 divisions on the circular scale, the diameter of the wire that can be inferred from the given data is 1. 0.26 cm 2. 0.052 cm 3. 0.52 cm 4. 0.026 A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since: 1. a large aperture contributes to the quality and visibility of the images. 2. a large area of the objective ensures better light-gathering power. 3. a large aperture provides a better resolution. 4. all of the above. The electron concentration in an n-type semiconductor is the same as hole concentration in a p-type semiconductor. An external field (electric) is applied across each of them. Compare the currents in them. 1. current in n-type > current in p-type. 2. no current will flow in p-type, current w...

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A spectrometer gives the following reading when used to measure the angle of a prism. Main scale reading: 58.5 degree, Vernier scale reading : 9 divisions. Given that 1 division on main scale corresponds to 0.5 degree. Total divisions on the vernier scale is 30 and match with 29 divisions of the main scale. The angle of the prism from the above data:

Two full turns of the circular scale of a screw gauge cover a distance of 1 mm 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 -0.03 mm. While measuring the diameter of a thin wire, a student notes down the main scale reading of 3 mm and the number of circular scale divisions in line with the main scale as 35. The diameter of the wire is : Two full terms of the circular scale of a screw gauge cover a distance of 1 m m on its main scale. The total number of divisions on the circular scale is 5 0. Further, it is found that the screw gauge has a zero error of − 0 . 0 3 m m. While measuring the diameter of a thin wire, a student notes the main scale reading of 3 m m and the number of circular scale divisions in line with the main scale as 3 5. The diameter of the wire is Two full turns of the circular scale of a screw gauge covers a distance of 1 m m on its main scale. The total number of divisions on the circular scale is 5 0. Further, it is found that the screw gauge has a zero error of − 0 . 0 3 m m. While measuring the diameter of a thin wire, a student notes the main scale reading of 3 m m and the number of circular scale divisions in line with the main scale as 3 5. The diameter of the wire is:

A screw gauge gives the following readings when used to measure the diameter of a wire Main scale reading : 0 mm Circular scale reading : 52 divisions Given that 1 mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is : (1) 0.52 cm (2) 0.026 cm (3) 0.26 cm (4) 0.052 cm

Fig. 1 Screw Gauge Pitch of the screw It is defined as the linear distance moved by the screw forward or backward when one complete rotation is given to the circular cap. Least Count of the Screw Gauge The Least count (LC) is the distance moved by the tip of the screw, when the screw is turned through 1 division of the head scale. Reading of a Screw Gauge Fig. 2 Screw Gauge Diagram Consider figure 2. Place a wire between A and B, the edge of the cap lies ahead of N th division of linear scale. Then Linear scale reading (LSR) = N If n th division of circular scale lies over reference line, then Circular scale reading (CSR) = n × (LC) Total reading (or observed reading) = LSR + CSR = N + n × (LC) Zero error When the two studs A and B of the screw gauge are brought in contact and if the zero of the circular scale does not coincide with the reference line then the screw gauge has an zero error. 1. Positive zero error Zero error is said to be positive if the zero of the circular scale lies below the reference line as shown in figure 3. Here , zero error = + (n × LC) Here, n= division number on circular scale coincide with reference line. zero correction (C) = negative of zero error C = – zero error = – (n × LC) Therefore, True reading = observed reading + zero correction = observed reading – (n × LC) Fig. 3 According to above figure, n = 2 zero error = + (n × LC) = + (2 × LC) 2. Negative zero error Zero error is said to be negative if the zero of the circular scale lies above t...