Oscillations and Waves (AIIMS (All India Institute of Medical Sciences) Physics): Questions 44  49 of 50
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Question number: 44
» Oscillations and Waves » Longitudinal and Transverse Waves
Question
Find the magnitude of pressure amplitude in a sound of intensity. Density of air at STP .
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 45
» Oscillations and Waves » Displacement as a Function of Time
Question
A particle executes simple harmonic motion with an angular velocity of and maximum acceleration . Amplitude of the oscillation is –
Choices
Choice (4)  Response  

a.  1.0 m 

b.  2.0 m 

c.  1.4 m 

d.  0.94m 

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Question number: 46
» Oscillations and Waves » Standing Waves in Strings and Organ Pipes
Question
If vibrations of a string are to be increased to a factor of four, then tension in the string must be made –
Choices
Choice (4)  Response  

a.  Eight times 

b.  Sixteen times 

c.  Four times 

d.  Ten times 

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Question number: 47
» Oscillations and Waves » Simple Harmonic Motion » Energy
Question
In simplest terms, the energy of a wave is directly proportional to the square of its –
Choices
Choice (4)  Response  

a.  Refraction 

b.  Length 

c.  Reflection 

d.  Height 

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Question number: 48
» Oscillations and Waves » Displacement as a Function of Time
Question
A particle executes simple harmonic motion with an angular velocity and maximum acceleration of. and respectively. Amplitude of the oscillation is –
Choices
Choice (4)  Response  

a.  1.0m 

b.  0.9 m 

c.  0.8 m 

d.  0.5 m 

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Question number: 49
» Oscillations and Waves » Speed of a Wave
Question
The velocities of sound at the same pressure in two monatomic gases of densities and are and respectively. If, then the value of –
Choices
Choice (4)  Response  

a.  5 

b. 


c.  25 

d. 


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