Question

Mark the following statements as true or false.
(a) The standard unit for measuring length is 1 metre.
(b) There are one thousand centimetres in a metre.
(c) The length of an earthworm can be best measured in cm or mm.
(d) The length of a room is 4 m 65 cm. This is the same as 4065 cm.
(e) A passenger in a flying aeroplane is at rest with respect to the airport and moving with respect to other passengers.
(f) All of us on the earth are always at rest with respect to each other but moving with respect to the sun and the other bodies in the universe.

Answer 1

(a) True

(b) False
There are one hundred centimetres in one metre.

(c) True

(d) False
The length of a room is 4 m 65 cm.
4 m 65 cm = 4 × 100 cm + 65 cm = 465 cm

(e) False
A passenger in a flying aeroplane is moving with respect to the airport and is at rest with respect to other passengers.

(f) True