1. The amplitude of a wave disturbance propagating in the positive direction is given by y=1/(1+x2) at time t=0 and by y=1/[1+(x-5)2] at t=5 seconds where x and y are in meters.The shape of the wave disturbance does not change during the propagation.The velocity of the wave is
a. 1 m/sec
b. 1.5 m/sec
c. .5 m/sec
d. 2 m/s
2.A transverse wave in a medium is described by the equation
The magnitude of the maximum velocity of particles in the medium is equal to that of the wave velocity.if the value of A is
3.A plane progressive wave is represented by the equation
The equation of the wave with triple of the amplitude and double the frequency
4. In the above example ,The equation of wave with double of the amplitude and double the frequency but travelling in the opposite direction
5.The displacement of a particle having wave motion given by
This expression may be considered to be a result of the superposition of how many wave motions
6.A wave is represented by the equation
y=(1mm)sin[(60 s-1)t+(4 m-1)x]
which one of the following is true
a. Frequency =30/π
c. Maximum Velocity of the Particle 60 mm/sec
d. wave velocity is 100m/s
7.the displacement of the particles in a string streched in the x-direction is represented by y.Among the following expressions for y,those describing wave motion ares
8.A transverse wave on a string,the string displacement is described as
where a is negative constant
which of the following is true
a. The Shape of the string at t=0 is y=/1+x2
b. The shape of the waveform does not change as its move along the string
c Waveform moves in the -x direction
d. The speed of the waveform is |a|
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