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प्रश्न
State one use of a screw gauge.
उत्तर
A screw gauge is used for measuring diameter of circular objects mostly wires with an accuracy of 0.001 cm.
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संबंधित प्रश्न
State the purpose of ratchet in a screw gauge.
The thimble of a screw gauge has 50 divisions. The spindle advances 1 mm when the screw is turned through two revolutions.
(i) What is the pitch of the screw gauge?
(ii) What is the least count of the screw gauge?
A pendulum completes 2 oscillations in 5 s. What is its time period? If g = 9.8 m s-2, find its length.
Who invented vernier callipers?
What is the need for measuring length with vernier callipers?
State the formula for calculating length if:
Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale is known.
How do you account for positive zero error for calculating the correct diameter of wires?
What is the least count in the case of the following instrument?
Screw gauge
