1. In the given options, the secondary fundamental unit is
Answer : B
2. A single system on which all scientists all over the world agree for units of measurement is called
Answer : C
3. Mercury thermometer is used to measure exact
Answer : C
4. The international system of units is commonly referred as
Answer : A
5. Which of the following quantities is expressed as force per unit area?
Answer : D
6.The dimensions of Kinetic energy is same as that of
Answer : D
7. Unit of Time in SI system is
Answer : A
8. Electron volt is a unit of
Answer : C
9. The units used to measure derived quantities are known as
Answer : B
10. Plane angle and solid angle are
Answer : C
11.Which of the following is not a fundamental quantity?
Answer : B
12. Which of the following represents an SI unit of luminous intensity?
Answer : B
13. Which of the following units is a fundamental unit?
Answer : A
14. How systematic errors are eliminated?
Answer : D
15. To change SI units by factors of ten into smaller or bigger units they uses
Answer : A
16.Electric lines of force about a negative point charge are
Answer : C
17. Derived units are obtained from various combinations of
Answer : B
18. Error that occurs during the measurements of quantities is
Answer : D
19. 1KWH is unit of
Answer : C
20. Unit of Amount of substance in SI system is
Answer : A