Importance of Units in Measurement

Q. Which unit of measurement will you use to measure the length of a small object like a pencil?

1. Metre
2. Kilometre
3. Centimetre
4. Kilogram

Q.

What is meant by unit of physical quantity ?

Q. What is the area of a square with side 4 cm?

1. 4 sq. cm
2. 8 sq. cm
3. 12 sq. cm
4. 16 sq. cm

Q. What is the area of the given figure, if the area of each small square is 1 sq cm?

1. 25 sq cm
2. 10 sq cm
3. 12 sq cm
4. 20 sq cm

Q.

The length of an earthworm can be best measured in cm or mm.

1. True
2. False

Q.

Write appropriate unit for the following:

• The length of the book .

Q. Which unit of measurement will you use to measure the mass of an article?

1. Metre
2. Litre
3. Kilograms
4. Seconds

Q.

Which unit of measurement will you use to find the area of the district of Delhi.

Q. Sam needs to take measurements for his study table. What is the best unit of measurement for him to use?

1. Kilometer
2. Meters or Feet
3. Centimeter
4. Mile

Q. A line segment is a collection of .

1. lines
2. points
3. circles

Q. The units for measuring the volume and weight are and respectively.

1. kilogram
2. kilo meter
3. celsius
4. litre

Q. A mobile tower is 25 _____ tall.

1. kg
2. l
3. m
4. g

Q.

The most appropriate unit to measure the thickness of the coin

1. Millemetre

2. Centimetre

3. Metre

4. Decimetre

Q.

The SI unit of length is

1. Kilometer

2. meter

3. centimeter

4. millimeter

Q.

10 mm is equal to:

1. 1 cm

2. 1 m

3. 10 dm

4. 10 cm

Q. Which of the following can be the units of perimeter and area respectively?

1. $m$ and $m^2$
2. $m^2$ and $m$
3. $cm$ and $c{m}^2$
4. $c{m}^2$ and $cm$

Q. is the area of mathematics which deals with the study of different geometrical shapes and figures.

1. Mensuration
2. Addition
3. Division

Q.

If the dimensions of a brick is $20cm\times 10cm\times 5cm$, then the volume of two such bricks will be ____ $c{m}^3$.

1. 1000

2. 2000

3. 3000

4. 4000

Q. Which of the folowing has unit as square meter?

1. length
2. breadth
3. area
4. perimeter

Q.

Write down the units you would use to measure these lengths: the diameter of your pencil

Q. Which of the following is greater than 350 m?​

1. 8, 000 mm
2. 900 cm
3. 200 m
4. 2 km

Q.

Which of these is SI unit of area?

1. Sq m
2. Sq cm
3. Sq inch
4. Sq ft

Q. The thickness of a mobile phone is measured in

1. Kilometer
2. Yard
3. Millimeter
4. Foot

Q. Which one of the following is lighter, one gram of rice
or one kilogram of rice?

1. one gram of rice
2. one kilogram of rice
3. Both are equal
4. Cannot be compared

Q. Find the area of a square whose diagonal is cm.

Q. Which one of the following is lighter, one gram of rice
or one kilogram of rice?

1. one gram of rice
2. one kilogram of rice
3. Both are equal
4. Cannot be compared