Oscillations and WavesPeriodic Motion  Period Frequency (NEET (NTANational Eligibility cum Medical Entrance Test) Physics): Questions 10  14 of 16
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Question number: 10
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The maximum velocity and the amplitude of a body moving in a simple harmonic oscillator are 4 m/s and 2 m. Then angular velocity will be
Choices
Choice (4)  Response  

a.  1 rad/sec 

b.  0.5 rad/sec 

c.  3 rad/sec 

d.  2 rad/sec 

Question number: 11
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The kinetic energy of a particle executing S. H. M. is 16 J when it is in its mean position. If the amplitude of oscillations is 25 cm and the mass of the particle is 5.12 kg, the time period of its oscillation is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 12
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The time period of a simple pendulum of length 2 L as measured in an elevator descending with acceleration g / 3 is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 13
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
A simple pendulum is executing simple harmonic motion with a time period . If the length of the pendulum is increased by 15%, the percentage increase in the time period of the pendulum of is,
Choices
Choice (4)  Response  

a.  5% 

b.  11% 

c.  7.5% 

d.  30% 

Question number: 14
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
A mass m = 100 gm is attached at the end of a light spring which oscillates on a frictionless horizontal table with an amplitude equal to 0.16 meter and time period equal to 2 sec. Initially the mass is released from rest at t = 0 and displacement x =0.16 meter. The expression for the displacement of mass at any time t is,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

