Physics Measurements and Experimentation Numerical1c
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Numericals
Q1 A simple pendulum completes 40 oscillations in one minute. Find its (a) frequency, (b) time period.
Q2 The time period of a simple pendulum is 2s. What is its frequency? What name is given to such a pendulum?
Q3 A seconds’ pendulum is taken to a place where acceleration due to gravity falls to oneforth. How is the time period of the pendulum affected, if at all? Give reason. What will be its new time period?
Q4 Find the length of a seconds’ pendulum at a place where g=10ms-2 (Take π =3.14).
Q5 Compare the time periods of two pendulums of length 1m and 9m.
Q6 A Pendulum completes 2 oscillations in 5s.
(a) What is its time period?
(b) If g=9.8 ms-2 , find its length.
Q7 The time periods of two simple pendulums at a place are in the ratio 2:1. What will be the ratio of their lengths?
Q8 It takes 0.2s for a pendulum bob to move from mean position to one end. What is the time period of pendulum?
Q9 How much time does the bob of a seconds’ pendulum take to move from one extreme of its oscillation to the other extreme?
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