Zero error of an instrument is a type of

Significant figures in 0.04060 are

A precise measurement is the one which has

For total assessment of uncertainty in the final result obtained by multiplication, we add

Which one of the following is the correct record for the diameter when measured with screw gauge of least count of 0.001cm

If both components of a vector are negative, then resultant lies in:

The direction of vector product is given by:

A unit vector is obtained by dividing a vector with:

The cross product of two anti parallel vectors is

Which one is commutative?