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

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

2. The study of celestial objects with the help of laws of physics is known as:

3. (density of a substance / density of a water) is called:

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

5. On meter rule each cm is divided further in to 10 divisions which are called:

6. 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?

7. This branch of physics deals with heat and temperature and their relation to energy and work.

8. It deals with the constituents, structure, behavior and interaction of atomic nuclei.

9. Zero error of the instrument is:

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

11. The S.I unit for density is:

12. Volume of rectangular block =

13. 1000mg = :

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

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

16. 1 m³ =

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

18. 5.00 has

19. Volume of a cylinder =

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