1. The amplitude of a wave disturbance propagating in the positive direction is given by y=1/(1+x

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

y=Asin

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

a.λ/2π

b λ/4π

c. λ/π

d 2λ/π

3.A plane progressive wave is represented by the equation

y=cos(2πt-πx)

The equation of the wave with triple of the amplitude and double the frequency

a. y=3cos(4πt-πx)

b. y=3cos(5πt-πx)

c. y=3cos(4πt+πx)

d. y=3cos(3πt-πx)

4. In the above example ,The equation of wave with double of the amplitude and double the frequency but travelling in the opposite direction

a. y=2cos(4πt+πx)

b. y=2cos(5πt-πx)

c. y=2cos(4πt-πx)

d. y=2cos(3πt-πx)

5.The displacement of a particle having wave motion given by

y=cos

This expression may be considered to be a result of the superposition of how many wave motions

a. one

b Two

c. Three

d. Five

6.A wave is represented by the equation

y=(1mm)sin[(60 s

which one of the following is true

a. Frequency =30/π

b Amplitude=.001mm

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

a. cospxsinqt

b p

c.cos

d. cos(p

8.A transverse wave on a string,the string displacement is described as

y(x,t)=1/1+(x-at)

where a is negative constant

which of the following is true

a. The Shape of the string at t=0 is y=/1+x

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|

Answer

1.Ans a

2.Ans b

3.Ans a

4. Ans a

5.Ans 3

6.Ans a and c

7.Ans a

8.Ans a,b,c,d

^{2}) 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 isa. 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

y=Asin

^{2}(wt-kx).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

a.λ/2π

b λ/4π

c. λ/π

d 2λ/π

3.A plane progressive wave is represented by the equation

y=cos(2πt-πx)

The equation of the wave with triple of the amplitude and double the frequency

a. y=3cos(4πt-πx)

b. y=3cos(5πt-πx)

c. y=3cos(4πt+πx)

d. y=3cos(3πt-πx)

4. In the above example ,The equation of wave with double of the amplitude and double the frequency but travelling in the opposite direction

a. y=2cos(4πt+πx)

b. y=2cos(5πt-πx)

c. y=2cos(4πt-πx)

d. y=2cos(3πt-πx)

5.The displacement of a particle having wave motion given by

y=cos

^{2}(t/4)sin(50t)This expression may be considered to be a result of the superposition of how many wave motions

a. one

b Two

c. Three

d. Five

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

b Amplitude=.001mm

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

a. cospxsinqt

b p

^{2}x^{2}-w^{2}t^{2}c.cos

^{2}(px+wt)d. cos(p

^{2}x^{2}-w^{2}t^{2})8.A transverse wave on a string,the string displacement is described as

y(x,t)=1/1+(x-at)

^{2}where a is negative constant

which of the following is true

a. The Shape of the string at t=0 is y=/1+x

^{2}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|

Answer

1.Ans a

2.Ans b

3.Ans a

4. Ans a

5.Ans 3

6.Ans a and c

7.Ans a

8.Ans a,b,c,d

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