7 (b)
Answer the following questions,
(a) Define a physical quantity. Write the SI units of mass, length and time
(b) Define measurement and the SI system of units.
(c) What is a standard unit?
(d) Define mass and write its units,
(e) Define CGS and FPS systems.
(1) What precautions should be taken while measuring length?
(g) What things should we remember while writing the symbols of units?
(h) Write any two disadvantages of the use of local units,
0 Write the importance of measurement.
Mass can be measured in local units like dharni, pau, etc. Discuss the
advantages of using standard units of mass over the local units of mass
(k) Write the full form of MKS and FPS.
What is the diameter of the