Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 31  34 of 195
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Question number: 31
» Oscillations and Waves » Simple Harmonic Motion » Force, Velocity, and Acceleration
Assertion (Ꭺ)
Consider motion for a mass spring system under gravity, motion of M is not a simple harmonic motion unless Mg is negligibly small.
Reason (Ꭱ)
For simple harmonic motion acceleration must be proportional to displacement and is directed towards the mean position.
Choices
Choice (4)  Response  

a.  Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ 

b.  Ꭺ is false but Ꭱ is true 

c.  Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ 

d.  Ꭺ is true but Ꭱ is false 

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Question number: 32
» Oscillations and Waves » Periodic Functions
Question
A particle executes a simple harmonic motion of time period T. Find the time taken by the particle to go directly from its mean position to half the amplitude
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 33
» 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.  7.5% 

b.  30% 

c.  5% 

d.  11% 

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Question number: 34
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The amplitude of a particle executing S. H. M. with frequency of 60 Hz is 0.01 m. The maximum value of the acceleration of the particle is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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