Simple pendulum
1)The pendulum, in a wall clock, is a 'seconds pendulum', i.e., has a time period of 2s. The 'effective length' of a simple pendulum, that has the same time period, is nearly :
  

2)A student measures the time period (T) of a simple pendulum for different values of its length (L). The student would get a straight line by plotting a graph between : 
  

3)Two pendulums of the same length are set up. If one bob is heavier than the other, what is the period of oscillation of the pendulum of the heavier bob? 
  

4)For a simple pendulum, the graph between l and T will be? 
  

5)The opposition to free vibrations of bob of a simple pendulum due to presence of air around is called? 
  

6)The number of oscillations completed by simple pendulum in one second is called? 
  

7)What is the maximum displacement of the bob from its mean position to its extreme position called? 
  

8)If both the mass m of a simple pendulum and its length L are doubled, the period will 
  

9)When the length of a simple pendulum is decreased by 600 mm, the period of oscillation is halved. What was the original length of the pendulum? 
  

10)The time period of a pendulum on Earth is 1.0 s. What would be the period of a pendulum of the same length on a planet with half the density but twice the radius of Earth? 
  


  


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