Practice questions based on chapter 2 physical quantities and Measurement

 1. Is it possible to measure height of a person by using 1 kg.Justify your answer.

2. How will you measure thickness of a coin by using a metre ruler ?explain.

3. Name some units by which we can measure area of a playground large agricultural fields and so on. How are they related to each other.

4. Explain how will you measure area of a a leaf and a rectangular field whose dimension is given to you.

5. Distinguish between laboratory thermometer and clinical thermometer . Write three differences.

6. Distinguish between fundamental units and derived units of a physical quantities with suitable examples.

7. Define mass and explain devices which are used to measure very small masses accurately.

8. Convert 5 days 5 minutes 5 seconds into SI unit of time.

9. Diameter of a circular playground is equal to 98m. Find the area and circumference of the playground.

10. Convert the following into Si units

A. 0.0067km = ...........

B.3000feet =.......

C. 5908 pound =.........

D. 457hours =........