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

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

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

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

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

5. 5.00 has

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

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

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

9. Zero error of the instrument is:

10. Physicists are categorized into:

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

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

13. Zero mark on Vernier scale is slightly to the right than the zero error is called:

14. Volume of a cylinder =

15. 1 m³ =

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

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

18. 1000mg = :

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

20. 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?: