Oscillations and WavesSpeed of a Wave (NEET (NTANational Eligibility cum Medical Entrance Test) Physics): Questions 1  3 of 9
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Question number: 1
» Oscillations and Waves » Speed of a Wave
Question
V _{1} and V _{2} are the velocities of sound at the same temperature in two monoatomic gases of densities ρ _{1} and ρ _{2 } respectively. If then the ratio of velocities V _{1} and V _{2} will be,
Choices
Choice (4)  Response  

a.  2: 1 

b.  1: 4 

c.  1: 2 

d.  4: 1 

Question number: 2
» Oscillations and Waves » Speed of a Wave
Question
A wave represented by the given equation where x is in meter and t is in second. The expression represents,
(1) A wave travelling in the negative X direction with a velocity of 1.5 m/sec
(2) A wave travelling in the negative X direction with a wavelength of 0.2 m
(3) A wave travelling in the positive X direction with a velocity of 1.5 m/sec.
(4) A wave travelling in the positive X direction with a wavelength of 0.2 m
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  2 and 4 are correct 

b.  1, 2 and 3 are correct 

c.  1 and 2 are correct 

d.  1 and 3 are correct 

Question number: 3
» Oscillations and Waves » Speed of a Wave
Question
A transverse wave is represented by the equation , Here v = wave velocity. For what value of x, the maximum particle velocity equal to two times the wave velocity
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

