CHAPTER # 1 (Physical Quantities and Measurements)

Unit # 1
Physical Quantities and Measurements

EXERCISE QUESTIONS

1.1  Multiple Choice Questions (MCQs)

          i.            There are 7 base units in SI.

        ii.            A Kilogram is not a derived unit.

      iii.            Amount of substance in terms of numbers is measured in a mole.

       iv.           An interval of 200ƞs is equivalent to 2 X 10^-4s.

        v.            5000ng is the smallest quantity as of others.

      vi.            Vernier Caliper is used to measure the internal diameter of a Test tube.

    vii.            We do agree with 1.03cm because the least count of the Vernier caliper is 0.01cm.

  viii.            A measuring cylinder is used to measure the Volume.

      ix.            The thickness is 3.08mm.

        x.            All the accurately known digits and the first doubtful digit is significant figures.

Short Questions

  

Click on the below Links for Remaining Chapters

Chapter # 1 (Physical Quantities and Measurements)

Chapter # 2 (Kinematics)

Chapter # 3 (Dynamics)

Chapter # 4 (Turning Effect of Forces)

Chapter # 5 (Gravitation).

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