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

1. In the number 0.00509 how many significant

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

3. Volume of rectangular block =

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

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

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

7. The S.I unit for density is:

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

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

10. 5.00 has

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

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

13. Mole’ is a unit of:

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

15. Physicists are categorized into:

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

17. Numbers in Scientific Notation are made up of:

18. 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?

19. 200 has:

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