Terms in Wave Motion

IMPORTANT

Terms in Wave Motion: Overview

This topic covers concepts such as Phase Lag in Waves, Wave Pulse and Continuous Waves, Terms in Wave Motion, Frequency and Time Period, Amplitude, Angular Frequency, Angular Wave Number, Wave Speed, Particle Speed, etc.

Important Questions on Terms in Wave Motion

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Angular frequency is a _____ quantity.

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_____ waves generated in a pipe filled with air by moving the piston up and down.

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 Air can sustain only longitudinal waves.

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Describe the process of producing a continuous wave in a air filled pipe.

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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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Two waves are travelling towards each other along a rope. When they meet, the waves passes through each other.

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In a vacuum, the velocity of all electromagnetic waves is nearly_____m s-1.

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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 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 ______.

MEDIUM
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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 :