Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Units, Dimensions and Measurements The international system of units
Which among the following is the correct statement?
1
Fundamental quantities are only seven.
2
Units of derived quantities can be expressed in the term of the units of fundamental quantities.
3
Amount of substance is a fundamental quantity.
4
More than one of the above.
5
None of the above