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

1. Five
2. Seven
3. Nine
4. Ten

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

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

1. Two
2. Three
3. Five
4. Seven

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

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

1. Candela
2. Mole
3. Celcius
4. Kelvin

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

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

1. Three
2. Two
3. Seven
4. Four

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

## 5. The unit of energy in CGS system is ?

1. Ohm
2. Joule
3. Erg
4. Candela

Memory: No memory available.

## 6. SI unit of heat capacity is ?

1. J kg-1
2. J k-1
3. J kg-1 k -1
4. N m-2

Memory: No memory available.

## 7. The quantities which are determine with the help of a fundamental or primary quantity is called ?

1. Vector quantity
2. Scalar quantity
3. Primary quantity
4. Derived quantity

Memory: No memory available.

## 8. Which one among the following is a scalar quantity ?

1. Length
2. Acceleration
3. Velocity
4. Weight

Memory: No memory available.

## 9. Which one of the following statements is not correct ?

1. Velocity of a train is 60km/hr
2. Speed of a train is 60km/hr
3. Velocity of a train is 60km/hr (Eastward)
4. None of the above

Memory: While we define the velocity of an object, we must be denote the direction of the velocity. As velocity depends on direction .

1. Force
2. Temperature
3. Length
4. Time