Question

There are four readings of micremeter to measure diameter of wire in mm are 1.21,1.23,1.25,1.23 the mean of divation is

Answer 1

Answer:

There are four readings of a micrometer to measure the diameter of a wire in mm are 1.21.1.23.1.25.1.23.

The mean of deviations is

a) 0.02 mm

b) 0.01 mm

e) 0.10 mm

d) 0.20 mm

Absolute uncertainty in a measuring instrume