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
Interactive Science 7>Chapter 13 - Motion and Time>SUMMATIVE ASSESSMENT>Q 3
Draw and label mean position, one complete oscillation and maximum displacement in a pendulum.
MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>SUMMATIVE ASSESSMENT>Q 4
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
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 1
All moving things are said to be in this.
MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 2
Name the SI unit of length which can be used to measure small distances. 
MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 3
Which unit is used to express the speed of fast-moving vehicles?
(Choose from meter per second or kilometer per hour).
MEDIUM
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 4
Uniform speed and the actual speed be the same in ______ motion. 
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 5

Two devices were used earlier to measure time.

HARD
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 13 - Motion and Time>FORMATIVE ASSESSMENT>Q 1
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?