Problem

Problem

Least count of screw gauge is defined as a. distance moved by thimble on main scalenumber of rotation of thimble\frac{\text{distance moved by thimble on main scale}}{\text{number of rotation of thimble}} b. pitch of the screwnumber of divisions on circular scale\frac{\text{pitch of the screw}}{\text{number of divisions on circular scale}} c. number of rotation of thimblenumber of circular scale divisions\frac{\text{number of rotation of thimble}}{\text{number of circular scale divisions}} d. None of the above

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