In the measurement of length of a cylinder, the main scale reading of a vernier caliper is 2.8 cm, the vernier reading is 4, and the least count of the vernier is 0.01 cm. Find the reading of the length of the cylinder.
The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions.
Find the pitch of the micrometer.
If the number of divisions on the circular scale is 50, calculate the least count of the micrometer.
Use units of millimeters for all answers in this question.