Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 10  13 of 195
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Question number: 10
» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring
Question
Three masses 600g, 300g, and 200g are suspended at the end of a spring are in equilibrium. When the 600g mass is removed, the system oscillates with a period of 4 seconds, when the 300 gm mass is also removed, it will oscillate with a period of
Choices
Choice (4)  Response  

a.  2.53 s 

b.  1 s 

c.  2 s 

d. 


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Question number: 11
» Oscillations and Waves » Periodic Motion  Period Frequency
Question
The periodic time of a body executing simple harmonic motion is 3 sec. After how much time from time t = 0, its displacement will be half of its amplitude
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 12
» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring
Question
A spring having a spring constant k is loaded with a mass m. The spring is cut into two equal parts and one of these is loaded again with the same mass. The new spring constant is,
Choices
Choice (4)  Response  

a. 


b. 


c.  k 

d. 


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Question number: 13
» Oscillations and Waves » Simple Harmonic Motion » Energy
Question
A particle constrained to move along the xaxis in a potential V = kx ^{2}, is subjected to an external time dependent force f (t), here k is a constant, x is the distance from the origin and t is the time. At some time T, when the particle has zero velocity at x = 0, the external force is removed. Choose the incorrect options 
(1) Particle executes SHM
(2) Particle moves along + X direction
(3) Particle moves along  X direction
(4) Particle remains at rest
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  1, 2 and 3 are correct 

b.  2 and 4 are correct 

c.  1 and 2 are correct 

d.  1 and 3 are correct 

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