1. How many fundametal units are there in SI unit ?

[A] Five

[B] Seven

[C] Nine

[D] Ten

View Answer

ANSWER: Option(B).


MEMORY: There are total 7 fundamental units in SI system, eg. 1. Meter 2. Kilogram 3. Second 4. Ampere 5. Kelvin 6. Candela 7. Mole.

2. How many fundamental units are there in CGS system ?

[A] Two

[B] Three

[C] Five

[D] Seven

View Answer

ANSWER: Option(B).


MEMORY: There are total 3 fundamental units in CGS system. Which are, 1. Length 2. Mass 3. Time .

3. Which one among the following is not a fundamental unit in SI system ?

[A] Candela

[B] Mole

[C] Celcius

[D] Kelvin

View Answer

ANSWER: Option(C).


MEMORY: Except ‘Celcius’ all others units are fundamental in SI system .

4. How many system of units are found in practice ?

[A] Three

[B] Two

[C] Seven

[D] Four

View Answer

ANSWER: Option(D).


MEMORY: There are total four system of units are found in practice, whic are, 1. MKS 2. CGS 3. FPS and 4. SI .

5. The unit of energy in CGS system is ?

[A] Ohm

[B] Joule

[C] Erg

[D] Candela

View Answer

ANSWER: Option(C).


MEMORY: No memory available.