Traditional ways of measuring lengths

Q.

Why is measurement important?

Q.

Elle, the measuring unit in Germany was used to measure _______.

Q.

Which of the following is not a standard unit of length?

1. Kilometer

2. foot

3. centimeter

4. millimeter

Q.

In ancient times, people used the length of human feet for measurements.

1. True
2. False

Q.

The magnitude of a standard unit should not change with respect to time and place.

1. True
2. False

Q. Which of the following physical quantity is used to describe how much a body has travelled?

1. Dimension of the object
2. Length
3. Time
4. Mass

Q. Which of the following were units used in ancient India?

1. Kilometre, Metre
2. Mutthi, Angul
3. Centimetre, Metre
4. Foot, Yard

Q.

Can you explain how 1metric tonne =10quintal=1000kg

Q.

Find the odd one out. Give reason for your choice.

1. millimetre

2. micrometre

3. angstrom

4. second

Q. (a) Why can a pace or a footstep not be used as a standard unit of length? [1 mark]

(b) Arrange the following lengths in their increasing magnitude:
1 metre, 1 centimetre, 1 kilometre, 1 millimetre
[2 marks]

(c) The height of a person is 1.65 m. Express it in cm and mm.
[2 marks]

Q. Choose the physical quantity whose measurement unit does not involve length.

1. Area
2. Volume
3. Speed
4. Time

Q.

The length of your footstep can be used as a standard unit of length.

1. True
2. False

Q. 1 foot = ______ inches.

1. 6
2. 36
3. 24
4. 12

Q. The thickness of a dozen coins on a metre scale was found to be $18cm$. What is the thickness of one coin?

1. $15cm$
2. $1.2cm$
3. $1.8mm$
4. $15mm$

Q. Which of the following is a unit of length?

1. kilogram
2. second
3. metre
4. square metre

Q. Which of the following is a unit of length?

1. kilogram
2. metre
3. square metre
4. second

Q.

Which of the following is/are a unit for measuring length?

1. Kilogram
2. Liter
3. Feet
4. Degree celsius

Q. The length of a tube is $5643mm$. What would be its length when expressed in S.I. units?

1. $5m$
2. $56cm$
3. $5.3m$
4. $5.643m$

Q.

The length of your footstep can be used as a standard unit of length.

1. True
2. False

Q. Which of the following is a unit of length?

1. metre
2. second
3. kilogram
4. square metre