Conversion of 7 m into cm gives_______

(a)

70 cm

(b)

700 cm

(c)

7 cm

(d)

7000 cm

Quantity that can be measured is called_______

(a)

Physical quantity

(b)

unit

(c)

Measurement

(d)

motion

While measuring the length of an object using a ruler, the position of your eye should be

(a)

Left side of the point.

(b)

Vertically above the point where the measurement is to be taken.

(c)

Right side of the point

(d)

Any where according to one’s convenience.

SI Unit of length is  _______

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m

1 m = ___________cm.

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100

5 km = __________m.

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5000

We can say that mass of an object is 126 kg.

(a) True

(b) False

Ten millimetre makes one centimetre

(a) True

(b) False

A hand span is a reliable measure of length.

(a) True

(b) False

The SI system of units is accepted everywhere in the world.

(a) True

(b) False

Length of the fore arm

(1)

Metre

SI unit of length

(2)

10³

Nano

(3)

10^-9

SI Unit of time

(4)

Cubit

Kilo

(5)

Second

Explain two methods that you can use to measure the length of a curved line.

How will you measure the volume of irregular objects?