Want this question answered?
Because they were invented by Pierre Vernier in 1631.
the instrument can be made more sensitive by making vernier constant less ie by incresing the no of division on vernier scale or by decreasing the value of main scale.
4
Pythagoras
No
yes it is 2.25
Accurate linear measurement.
It is a defect in a measuring device (Vernier Callipers & Screw Gauge) & zero error is caused by an incorrect position of the zero point.
vernier-caliper
It is not known for certain but vernier callipers were found in a Greek wreck where the ship was dated to the 6th Century BC.
by dividing diameter by 2 :)
1.By vernier-callipers. 2.By screw gauge. 3.By milimeter scale.