Oscillations and Waves (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 130  134 of 195
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Question number: 130
» Oscillations and Waves » Free Forced and Damped Oscillations
Question
Assertion (Ꭺ)
Damping decreases the time period of oscillation of a simple pendulum.
Reason (Ꭱ)
Damped oscillation implies loss of energy.
Choices
Choice (4)  Response  

a.  Ꭺ is true but Ꭱ is false 

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

c.  Ꭺ is false but Ꭱ is true 

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

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Question number: 131
» Oscillations and Waves » Longitudinal and Transverse Waves
Question
Equation of motion in the same direction is given by , . The amplitude of the resultant particle will be,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 132
» Oscillations and Waves » Displacement Relation for a Progressive Wave
Question
The equation of a wave is given as .
Where x is in meter and t in sec, then the correct statement is,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

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Question number: 133
» Oscillations and Waves » Longitudinal and Transverse Waves
Question
A transverse wave is described by the equation . The maximum particle velocity is four times the wave velocity if
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 134
» Oscillations and Waves » Simple Pendulum
Question
A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is
Choices
Choice (4)  Response  

a.  in the forward direction 

b.  in the backward direction 

c.  in the forward direction 

d.  in the backward direction 

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