Which system of units have you used?

Which units have you used in the laboratory for measuring temperature?

Which units have you used in the laboratory for measuring time?

Which units have you used in the laboratory for measuring mass ?

Which units have you used in the laboratory for measuring (i)length,(ii) mass,(iii) time,(iv) temperature?

Which of the following system of units is not based on units of mass, length and time alone

Explain system of units and state and some system of units.

Which disasters have you experienced in your area?

Answer the following questions : In which instruments have you seen a lens ?

Does the magnitude of a physical quantity depend upon the system of units chosen?