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A screw gauge gives the following readings when used to measure the diameter of a wire

Main scale reading : 0mm

Circular scale reading : 52 divisions

Given that 1mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is:

  • a)
    0.52cm

  • b)
    0.026cm

  • c)
    0.052cm

  • d)
    0.26cm

Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A screw gauge gives the following readings when used to measure the di...
Given data:
Main scale reading: 0mm
Circular scale reading: 52 divisions
1mm on main scale corresponds to 100 divisions on the circular scale

To calculate the diameter of the wire, we need to consider the main scale reading and the circular scale reading.

Step 1: Calculate the main scale reading
The main scale reading is given as 0mm. This means that the wire's diameter is less than 1mm.

Step 2: Calculate the circular scale reading
The circular scale reading is given as 52 divisions. We know that 1mm on the main scale corresponds to 100 divisions on the circular scale. Therefore, the circular scale reading in mm can be calculated as:
Circular scale reading = (Circular scale reading in divisions) x (1mm on main scale / 100 divisions on circular scale)
Circular scale reading = 52 divisions x (1mm / 100 divisions)
Circular scale reading = 0.52mm

Step 3: Calculate the diameter of the wire
To calculate the diameter, we need to add the main scale reading and the circular scale reading.
Diameter = Main scale reading + Circular scale reading
Diameter = 0mm + 0.52mm
Diameter = 0.52mm

Step 4: Convert the diameter to centimeters
Since the options are given in centimeters, we need to convert the diameter from millimeters to centimeters.
1cm = 10mm
0.52mm = 0.052cm

Therefore, the diameter of the wire is 0.052cm.

Conclusion:
The correct answer is option C) 0.26cm.
Free Test
Community Answer
A screw gauge gives the following readings when used to measure the di...
L.C. = 1/100 mm
= 0.01 mm
Now,
Diameter of wire = 52 × 0.01 = 0.52 mm = 0.052 cm
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A screw gauge gives the following readings when used to measure the diameter of a wireMain scale reading : 0mmCircular scale reading : 52 divisionsGiven that 1mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is:a)0.52cmb)0.026cmc)0.052cmd)0.26cmCorrect answer is option 'C'. Can you explain this answer?
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A screw gauge gives the following readings when used to measure the diameter of a wireMain scale reading : 0mmCircular scale reading : 52 divisionsGiven that 1mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is:a)0.52cmb)0.026cmc)0.052cmd)0.26cmCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A screw gauge gives the following readings when used to measure the diameter of a wireMain scale reading : 0mmCircular scale reading : 52 divisionsGiven that 1mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is:a)0.52cmb)0.026cmc)0.052cmd)0.26cmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A screw gauge gives the following readings when used to measure the diameter of a wireMain scale reading : 0mmCircular scale reading : 52 divisionsGiven that 1mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is:a)0.52cmb)0.026cmc)0.052cmd)0.26cmCorrect answer is option 'C'. Can you explain this answer?.
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