2: Two pendulums p and q have lengths 5 metre and 10 respectively. Which pendulum will
make more oscillations for the same time period . Explain
Answers
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● The pendulum p of length 5m Will make more oscillations as compared to q of length 10m.
● Because
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Answer: Pendulum p will make more oscillations.
Explanation:
- We know that the time period of a pendulum T = ,
where l is the length of the pendulum and g is the acceleration due to gravity.
- For pendulum p,
l= 5 metre.
g= 9.8
Then, = sec.
- For pendulum q,
l= 10 metre.
g= 9.8
Then, = sec.
Now, for time period 4.49 sec, p makes 1 oscillation.
Therefore, for time period 2 sec, p makes oscillations.
Again, for time period 6.35 sec, q makes 1 oscillation.
Therefore, for time period 2 sec, q makes oscillations.
Therefore, pendulum p will make more oscillations.
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