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

1. 0.000 000 000 000 000 000 000 000 000 000 911 kg

2. 10 mm =

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

4. The S.I unit for density is:

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

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

7. Volume of a cylinder =

8. Zero error of the instrument is:

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

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

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

12. What is the reading of this micrometer in the following figure?

13. The density of Aluminum is 2.70 gm/cm³ which is equal to:

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

15. In the number 0.00509 how many significant

16. 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?:

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

18. Volume of rectangular block =

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

20. 0 .00000034 has: