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

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

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

3. Zero error of the instrument is:

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

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

6. Volume of rectangular block =

7. Numbers in Scientific Notation are made up of:

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

9. The S.I unit for density is:

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

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

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

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

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

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

16. 10 mm =

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

18. The following figure shows part of a Vernier scale, what is the reading on the Vernier scale?:

19. The unit of luminous intensity is:

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