The height of a tree can be measured by

(a)

Metre scale

(b)

plastic ruler

(c)

Metre rod

(d)

measuring tape

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

Choose the correct one

(a)

km > mm > cm > m

(b)

km > mm > m > cm

(c)

km > m > cm > mm

(d)

km > cm > m > mm

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.