The least count of the Vernier calipers described in the chapter is:

Vernier calipers are mainly used to measure:

Which part of Vernier calipers is used to measure internal dimensions?

Why should the zero mark of a metre rule coincide with one edge of the object?

Which part of Vernier calipers is used to measure depth?

Which practice helps reduce parallax error while using a metre rule?

If the zero of the Vernier scale is to the right of the zero of the main scale, the instrument shows:

The least count of a measuring instrument means:

If the zero of the Vernier scale is to the left of the zero of the main scale, the correction is made by:

Which rule should be followed when adding numbers in scientific notation?

A micrometer screw gauge is more suitable than Vernier calipers for measuring: