EASY
7th CBSE
IMPORTANT
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How does the following factor affect the time period of pendulum?

Length of the string

Important Questions on Time and Motion

EASY
7th CBSE
IMPORTANT

How does the following factor affect the time period of a pendulum?

Amplitude.  

MEDIUM
7th CBSE
IMPORTANT

Draw a well-labelled diagram of a simple pendulum and define the term:

Time period

Write the formula to calculate this term.

MEDIUM
7th CBSE
IMPORTANT

Draw a well labelled diagram of a simple pendulum and define the term: Amplitude.

Write the formula to calculate this term.

MEDIUM
7th CBSE
IMPORTANT
Explain uniform and non-uniform motions with examples. Draw the graphs as well.
EASY
7th CBSE
IMPORTANT
Why do we need to measure time? Name the types of devices used to measure time from ancient times to present time. Which one of them gives the most accurate time? 
EASY
7th CBSE
IMPORTANT
Suppose, you are standing on the platform of a railway station watching the trains. There is a train passing by without stopping. It travels at 20 m/s and takes 6.9 s to pass you. What is the length of the train?
EASY
7th CBSE
IMPORTANT
In a flat, the lift takes 15 s to go from ground floor to the fourth floor without stopping. If the height of each floor is 5 m, what is the average speed of the lift?
MEDIUM
7th CBSE
IMPORTANT
The bob of a simple pendulum takes 0.3 s to go from one extreme position to the mean position. What is the time period?