Terms in Wave Motion

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Terms in Wave Motion: Overview

This topic covers concepts, such as, Wave Pulse and Continuous Waves, Terms in Wave Motion, Phase Lag in Waves & Particle and Wave Velocity etc.

Important Questions on Terms in Wave Motion

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Two plane-progressive waves in the same phase must have:

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Light waves travel in the form of _____waves.

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Progressive waves are waves originating from a source such that they never return to the source.

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The equation of a progressive wave is Y=asin(ωtkx), then the velocity of the wave is

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The displacement y of a wave travelling in the x-direction is given by y=10-4 sin600t-2x+π3 m, where x and t are in SI unit. What is the speed (In SI unit) of the wave?

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A uniform solid cylinder can roll without sliding on a horizontal surface as shown in the figure. The mass of cylinder is 10 kg and the spring constant for both the ideal springs is 300 N m-1. What is the angular frequency (in rad s-1) of small oscillations of the centre of the cylinder?

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On an average, a human heart is found to beat 72 times a minute. Its frequency and period are

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A point particle is acted upon by a restoring force -kx3. The time period of oscillation is T when the amplitude is A. The time period for an amplitude 2 A will be:

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Monochromatic light of frequency 5×1014 Hz travelling in vacuum enters a medium of refractive index 1.5. Its wavelength in the medium is

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A point particle is acted upon by a restoring force -kx3. The time period of oscillation is T when the amplitude is A. The time period for an amplitude 2A will be:

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Compare the velocities of the waveforms given below, and choose the correct option.

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where,vA, vB, vC andvD are velocities given in (A), (B), (C) and (D), respectively.

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The diagram shows the propagation of a wave. Which points are in same phase?
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The rope shown at an instant is carrying a wave travelling towards right, created by a source vibrating at a frequency n.

Consider the following statements:
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Two waves meet at a point. The waves have a path difference of λ4. The phase difference between the waves is

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A particle of mass 23 kg with velocity v=-15 m s-1 at t=-2 s is acted upon by a force F=k-βt2. Here, k=8 N and β=2 N s-2. The motion is one-dimensional. Then, the speed at which the particle acceleration is zero again, is

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A ball is moving uniformly in a circular path of radius 1 m with a time period of 1.5 s. If the ball is suddenly stopped at t=8.3 s, the magnitude of the displacement of the ball with respect to its position at t=0 s is closest to:

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The frequency of tuning fork is 500 Hz and the velocity of sound in air is 300 m s-1. The distance travelled by sound while the fork executes 100 oscillations per second is ______.

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A uniform string of length L and mass M hangs freely from a fixed point. Then the velocity of transverse waves along the string at a distance x from the free end is

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Two strings P and Q made of same material are stretched by same tension. The radius of string P is half of the radius of Q. A transverse wave travels on P with speed vP and on Q with speed vQ. The ratio of vP and vQ is

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Transverse waves are generated in two uniform wires A and B of the same material by attaching their free ends to a vibrating source of frequency 200 Hz. The cross-sectional area of A is half that of B while the tension on A is twice that on B. The ratio of the wavelengths of the transverse waves in A and B is :