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A sound is produced between two vertical parallel walls. The echo from one wall is heard after 2 s w
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A sound is produced between two vertical parallel walls. The echo from one wall is heard after 2 s w
Two strings A and B have lengths lA and lB and carry masses MA and MB at their lower ends, the upper
4:28
Two strings A and B have lengths lA and lB and carry masses MA and MB at their lower ends, the upper
A wave of frequency 100 Hz is sent along a string towards a fixed end. When this wave travels back a
2:41
A wave of frequency 100 Hz is sent along a string towards a fixed end. When this wave travels back a
In the equation for a stationary wave given by yx= 5 t25cos sin100pp (x is in cm and t in second),a
5:36
In the equation for a stationary wave given by yx= 5 t25cos sin100pp (x is in cm and t in second),a
The equation of a stationary wave isyx= t æè çöø ÷0.8 cos pp20sin 200 , where x is in cm and t is in
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The equation of a stationary wave isyx= t æè çöø ÷0.8 cos pp20sin 200 , where x is in cm and t is in
Equation of a plane progressive wave is given by y tx = − æè çöø ÷0 6 22. sin p . On reflection from
7:59
Equation of a plane progressive wave is given by y tx = − æè çöø ÷0 6 22. sin p . On reflection from
In a medium in which a transverse progressive wave is travelling, the phase difference between two p
2:40
In a medium in which a transverse progressive wave is travelling, the phase difference between two p
A wave motion has the function y = a t − kx 0 sin (w ).The graph in figure shows how the displacemen
3:57
A wave motion has the function y = a t − kx 0 sin (w ).The graph in figure shows how the displacemen
The intensity of sound gets reduced by 20% on passing through a slab. The reduction in intensity on
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The intensity of sound gets reduced by 20% on passing through a slab. The reduction in intensity on
The displacement y of a particle on a straight line is given by y = f (x, t ), as a function of time
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The displacement y of a particle on a straight line is given by y = f (x, t ), as a function of time
In a resonance column, two successive resonances are obtained at depths 30 cm and 50 cm,respectively
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In a resonance column, two successive resonances are obtained at depths 30 cm and 50 cm,respectively
A train of sound waves is propagated along a wide pipe and it is reflected from an open end. If the
2:25
A train of sound waves is propagated along a wide pipe and it is reflected from an open end. If the
Two identical strings A and B are stretched at tensions TA and TB . A tuning fork is used to set th
2:43
Two identical strings A and B are stretched at tensions TA and TB . A tuning fork is used to set th
The linear density of a vibrating string is 10 −4 kg m−1. A transverse wave is propagating on the st
1:49
The linear density of a vibrating string is 10 −4 kg m−1. A transverse wave is propagating on the st
A tube closed at one end containing air produces when excited the fundamental note of frequency 512
2:21
A tube closed at one end containing air produces when excited the fundamental note of frequency 512
Four wires of identical lengths, diameters and of the same material are stretched on a sonometer wir
2:54
Four wires of identical lengths, diameters and of the same material are stretched on a sonometer wir
An organ pipe P1 is closed at one end and vibrating in its first overtone and another pipe P2 opened
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An organ pipe P1 is closed at one end and vibrating in its first overtone and another pipe P2 opened
In the given progressive wave y = 5 sin (100pt − 0.4px)What is the wave velocity?
1:25
In the given progressive wave y = 5 sin (100pt − 0.4px)What is the wave velocity?
Two sinusoidal waves with same wavelengths and amplitudes travel in opposite directions along a stri
9:49
Two sinusoidal waves with same wavelengths and amplitudes travel in opposite directions along a stri
If you set up the seventh harmonic on a string fixed at both ends, how many nodes and antinodes are
5:16
If you set up the seventh harmonic on a string fixed at both ends, how many nodes and antinodes are
Equation of a progressive wave is given by y at x = a sin pie , where t is in second and x in metre.
2:16
Equation of a progressive wave is given by y at x = a sin pie , where t is in second and x in metre.
Under the same conditions of pressure and temperature, the velocity of sound in oxygen andhydrogen g
4:47
Under the same conditions of pressure and temperature, the velocity of sound in oxygen andhydrogen g
Two strings of copper are stretched to the same tension. If their cross-sectional areas are in the r
2:21
Two strings of copper are stretched to the same tension. If their cross-sectional areas are in the r
Two waves represented by y t 1 = 10 sin 200p andy t 2 20 2002= é +ë êùû úsin ppat a point aresuperim
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Two waves represented by y t 1 = 10 sin 200p andy t 2 20 2002= é +ë êùû úsin ppat a point aresuperim
The apparent wavelength of the light from a star,moving away from the earth is 0.01% more than itsre
5:02
The apparent wavelength of the light from a star,moving away from the earth is 0.01% more than itsre
A star is moving away from the earth with a velocity of 100 km/s. If the velocity of light is 3 ×108
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A star is moving away from the earth with a velocity of 100 km/s. If the velocity of light is 3 ×108
In a travelling wavey = . x − t + æè çöø ÷01 33023sin p (SI units)The phase difference between x
2:23
In a travelling wavey = . x − t + æè çöø ÷01 33023sin p (SI units)The phase difference between x
A wave of frequency 400 Hz has a wave velocity of 300 ms −1. The phase difference between twodisplac
2:29
A wave of frequency 400 Hz has a wave velocity of 300 ms −1. The phase difference between twodisplac
A man standing on a cliff claps his hand and hear sits echo after 1 s. If sound is reflected from mo
1:35
A man standing on a cliff claps his hand and hear sits echo after 1 s. If sound is reflected from mo
If the frequency of sound produced by a siren increases from 400 Hz to 1200 Hz while the waveamplitu
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If the frequency of sound produced by a siren increases from 400 Hz to 1200 Hz while the waveamplitu