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Measuring Time Period of a Simple Pendulum Video Lecture - Class 7
FAQs on Measuring Time Period of a Simple Pendulum Video Lecture - Class 7
| 1. What is the time period of a simple pendulum? |  |
Ans. The time period of a simple pendulum is the time taken for the pendulum to complete one full oscillation, i.e., to swing from one extreme point to the other and back again. It can be calculated using the formula: T = 2π√(L/g), where T is the time period, L is the length of the pendulum, and g is the acceleration due to gravity.
| 2. How can the time period of a simple pendulum be measured? | |
Ans. The time period of a simple pendulum can be measured using a stopwatch or a timer. To measure it, start the stopwatch as the pendulum is released from one extreme point and stop it when it reaches the same point again after completing one full swing. Repeat the process multiple times and calculate the average time period for accurate results.
| 3. How does the length of a simple pendulum affect its time period? | |
Ans. The length of a simple pendulum directly affects its time period. According to the formula T = 2π√(L/g), the time period is inversely proportional to the square root of the length. As the length of the pendulum increases, its time period also increases. Similarly, a shorter pendulum will have a shorter time period.
| 4. What factors can affect the accuracy of measuring the time period of a simple pendulum? | |
Ans. Several factors can affect the accuracy of measuring the time period of a simple pendulum. These include the accuracy of the stopwatch or timer used, air resistance, friction in the pivot point, and external disturbances like vibrations. To minimize these factors, it is important to use a high-quality stopwatch, ensure a smooth pivot point, and conduct the experiment in a controlled environment.
| 5. Can the time period of a simple pendulum be affected by the mass of the bob? | |
Ans. The mass of the bob does not affect the time period of a simple pendulum. According to the formula T = 2π√(L/g), the time period only depends on the length of the pendulum and the acceleration due to gravity. The mass of the bob does not play a role in determining the time period as long as it is significantly smaller compared to the length of the pendulum.
Text Transcript from Video
a pendulum is simply weight suspended
from a pivot such that it can swing
freely a pendulum moves to and fro about
a point and hence it shows oscillatory
motion the time taken by a pendulum to
complete one oscillation is called its
time period let us calculate the time
period for a given pendulum here we have
a pendulum and a stop clock now we will
count the time it takes to complete 10
oscillations swing the Bob to one side
and leave it 1 2 3 4 5 6 7 8 9 and 10
oscillation is a motion that repeats
itself regularly so it took 13 seconds
to complete 10 oscillations so the time
period for the pendulum is 1.3 seconds
per oscillation now we have shortened
the length of the pendulum we will see
the effect on the time period let's
swing the pendulum and start the stock
clock 1 2 3 4 5 6 7 8 9 and 10 now it
took 8 point 5 seconds to complete 10
oscillations so the time period for the
shorter pendulum is 0.85 seconds per
oscillation hence we note that the time
period of a pendulum depends on the
length of the pendulum
from a pivot such that it can swing
freely a pendulum moves to and fro about
a point and hence it shows oscillatory
motion the time taken by a pendulum to
complete one oscillation is called its
time period let us calculate the time
period for a given pendulum here we have
a pendulum and a stop clock now we will
count the time it takes to complete 10
oscillations swing the Bob to one side
and leave it 1 2 3 4 5 6 7 8 9 and 10
oscillation is a motion that repeats
itself regularly so it took 13 seconds
to complete 10 oscillations so the time
period for the pendulum is 1.3 seconds
per oscillation now we have shortened
the length of the pendulum we will see
the effect on the time period let's
swing the pendulum and start the stock
clock 1 2 3 4 5 6 7 8 9 and 10 now it
took 8 point 5 seconds to complete 10
oscillations so the time period for the
shorter pendulum is 0.85 seconds per
oscillation hence we note that the time
period of a pendulum depends on the
length of the pendulum
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Nov 15, 2024 Last updated |
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