1) SI system of Units. Learn the 7 major units corresponding to the 7 Fundamental Quantities in the physical world.
d) Electric Current
2) Conceptual Difference between Mass and Weight .
3) Parallax error in measurements.
4) Errors in measurements
5) Vernier Caliper, Least Count, and how it is used to measure diameter, width, and depth in a practical machined part.
6) Solved Problems