GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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0.52 g /mm2
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0.52 g /mm3
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0.52 mm
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0.52 mm2
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Detailed explanation-1: -Answer: measure length of a wire.
Detailed explanation-2: -Micron micrometre screw gauge can be used for measuring the thickness up to 1 micrometre. Problems on Use of Micrometer Screw Gauge: Example 01: The screw of the micrometer screw gauge moves through a distance of 2 mm when it is turned through 4 rotations.
Detailed explanation-3: -A micrometer screw gauge with pitch of 0.5 mm and 50 divisions on circular scale is used to measure the diameter of a thin wire. Initially when the gap is closed, the main scale reading is zero and the line of fourth circular division coincides with the reference line.
Detailed explanation-4: -A screw gauge with a pitch of 0.5mm and a circular scale with 50 divisions is used to measure the thickness of a thin sheet of aluminium.