Physical Quantities and Measurement – Online MCQs Test – Physics 9th

1. Ten identical steel balls each of mass 27g, are immersed in a measuring cylinder having 20cm³ of water. The reading of water level rises to 50cm³. What is the density of the steel?

2. The term density of a substance is defined as:

3. Volume of rectangular block =

4. It is the study of properties of charges in rest and motion.

5. Volume, velocity, force, density, and acceleration are examples of:

6. The study of state of mater and its properties is known as:

7. 10 mm =

8. If zero line of Vernier scale coincides with zero of main sale, then zero error is:

9. It studies the elementary constituents of matter and radiation, and the interaction between them.

10. The minimum distance between two points lying on same plane is called:

11. A chips wrapper is 4.5 cm long and 5.9cm wide. Its area upto significant figure will be:

12. Volume of a cylinder =

13. A worldwide system of measurements in which the units of base quantities were introduced is called:

14. What is the reading of this micrometer in the following figure?

15. The smallest reading a meter rule can measure up to:

16. Length, mass, electric current, time, intensity of light and amount of substance are examples of:

17. From the reading, the positive zero error is:

18. Physical quantities which cannot be explained by other physical quantities are called:

19. Use of every instrument is restricted by smallest measurement that it can perform which is called:

20. Physical quantities which are explained on the basis of fundamental physical are called: