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

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

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

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

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

5. In the number 0.00509 how many significant

6. 0.000 000 000 000 000 000 000 000 000 000 911 kg

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

8. 0 .00000034 has:

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

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

11. An object of mass 100g is immersed in water as shown in the following figure, what is the density of the material from which object is made?:

12. The branch of physics that mainly concerned with the laws of motion and gravitation is called:

13. 1000m =

14. 200 has:

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

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

17. Physicists are categorized into:

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

19. The study of internal structure of earth is known as:

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