Physics
Grade-9
Easy
Question
The time period of a simple pendulum is 2 sec. If its length is increased 4 times, then its period becomes:
- 8 sec
- 12 sec
- 16 sec
- 4 sec
Hint:
Time Period (T): It is the time taken by the motion to repeat itself. So the unit of a time period is seconds.
The correct answer is: 4 sec
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