Length

Q.

State whether the given statement is true or false -

The speedometer is an instrument used to measure the distance traveled by a vehicle whereas the odometer is used to measure the speed of a vehicle.

1. True

2. False

Q.

Arrange the below measurements in ascending order.

5 km, 5 mm and 5 m.

1. $5mm<5m<5km$.

2. $5mm>5m>5km$.

3. $5m<5km<5mm$.

4. $5m>5km>5mm$.

Q.

If the speed of a vehicle is said to be $50m/s$ and the time taken to travel a certain distance is $10s$. Then, what is the distance traveled?

1. $500m$.

2. $5m$.

3. $25m$.

4. $500cm$.

Q. In which of the following cases of motions, the distance moved and the magnitude of displacement are equal ?

1. A car moving on a straight road
2. A car moving in a circular path
3. A pendulum moving to and fro
4. The Earth revolving around the Sun

Q. Which of the following unit of distance was not used during ancient times?

1. Metre
2. Feet
3. Angul
4. Cubit

Q. 1 kilometre =

1. centimetres
2. metres
3. decimetres
4. kilometres

Q. Acre and square yards are the unit of _________.

1. time
2. pressure
3. length
4. area

Q.

Which of the following is/are required to measure the length accurately?

1. Number

2. Unit

3. Both A and B

4. Either A or B

Q.

A 1 m rod has 4 points marked as given in the figure. Let OA = X. If each segment is of equal measure, then what will be the measure of X?

1. 2 m

2. 2000 mm

3. 20 cm

4. All of these

Q.

Which of the following unit of distance was not used during ancient times?

1. Metre

2. Feet

3. Angul

4. Cubit