In physics, weight differs from mass because weight is:

A physical balance measures mass by:

Which instrument is used for measuring the duration of an event?

In a micrometer screw gauge, the ratchet is used to:

A digital stopwatch can measure time more accurately because it may measure up to:

The least count of the micrometer screw gauge described in the chapter is:

To read the volume of water in a measuring cylinder correctly, the eye should be:

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

The displacement can method is useful when a solid body:

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

Which statement describes systematic error?