HARD
7th CBSE
IMPORTANT
Earn 100

Explain with a diagram how a pendulum-based clock works.

Important Questions on Motion and Time

HARD
7th CBSE
IMPORTANT
Draw and label mean position, one complete oscillation and maximum displacement in a pendulum.
MEDIUM
7th CBSE
IMPORTANT
The bus takes 4 hours to travel from New Delhi to Jaipur. The distance between New Delhi and Jaipur is 280 km. What is the speed of the bus?
MEDIUM
7th CBSE
IMPORTANT
All moving things are said to be in this.
MEDIUM
7th CBSE
IMPORTANT
Name the SI unit of length which can be used to measure small distances. 
EASY
7th CBSE
IMPORTANT

Two devices were used earlier to measure time.

HARD
7th CBSE
IMPORTANT
Plot a distance-time graph of two cars—A and B which are moving with the same speed of 20 m/s but are separated by a distance of 10 m. How will the graph look like?
HARD
7th CBSE
IMPORTANT
You want to reduce the time period of a pendulum. How will you achieve this?
HARD
7th CBSE
IMPORTANT
There is a car on a circular track, travelling at a constant speed of 90 km/h. Does it have uniform motion?