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

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

2. Volume of rectangular block =

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

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

5. Numbers in Scientific Notation are made up of:

6. 1000mg = :

7. 0.000 000 000 000 000 000 000 000 000 000 911 kg

8. The numbers of reliably known digits in a value are known as:

9. All accurately known digits and first doubtful digit in an expression are known as:

10. Physics is the branch of science which observes the nature represents it mathematically and conclude with the:

11. In the number 0.00509 how many significant

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

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

14. Physicists are categorized into:

15. 1 m³ =

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

17. 10 mm =

18. Volume of a cylinder =

19. 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?

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