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A height gauge (an instrument used to me...

A height gauge (an instrument used to measure accurately the height of the part of machinery) is to be constructed using a main scale marked in centimeters and millimetres.
(i) What is the minimum length of the vernier scale if the required least count is 0.001 cm?
(ii) what least count can be achieved if the number of vernier scale divisions cannot be more than 50?

Text Solution

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Least count = 0.02 mm
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