EASY
7th CBSE
IMPORTANT
Earn 100

What do you mean by 'time period' of a pendulum?
 

Important Questions on Motion and Time

MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q C
Give an example of a periodic change related to the earth that can be used to measure time.
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q C
On what principle are modern electronic watches based?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q C
When is an object said to be in uniform motion?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q D
What is the SI system of units? Name two other systems of units.
 
HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q D
A car travels a distance of 270 kilometres in 412hours. Find its speed.
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q D

A cheetah runs a distance of 200 metres in 10 seconds. What is the speed of the cheetah in

(a) m/s,
(b) km/h?

EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q D

An aeroplane takes 7 hours to travel from New Delhi to London. If the plane travels at a uniform speed of  950 kilometres per hour, find the distance between New Delhi and London.

EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q D
Draw a typical distance-time graph for uniform motion.