measurements Flashcards
1
Q
what is a physical quantity?
A
a quantity that can be measured
2
Q
what is the precision of a metre rule?
A
0.1cm
3
Q
what is the precision of a vernier calliper
A
0.01cm
4
Q
what is the precision of a micrometer screw gauge?
A
0.01mm
5
Q
what is a oscillation of the pendulum?
A
each complete to-and-fro motion
6
Q
what is the period?
A
It is the time taken for one complete oscillation
