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A bob attached to a string is held horizontal and released. The tension and vertical distance from point of suspension can be represented by
The correct answer is:
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A wave represented by the equation y = A cos (kx –wt) is superimposed with another wave to form a statioary wave such that the point x =0 is a node. The equation of the other wave is:
A wave represented by the equation y = A cos (kx –wt) is superimposed with another wave to form a statioary wave such that the point x =0 is a node. The equation of the other wave is:
Physics-General
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Sound wave is travelling along positive x-direction. Displacement (y) of particles at any time t is as shown in figure. Select the wrong statement:
Sound wave is travelling along positive x-direction. Displacement (y) of particles at any time t is as shown in figure. Select the wrong statement:
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physics-
A detector is released from rest over a source of sound of frequency f0 = 103 Hz. The frequency observed by the detector at time t is plotted in the graph. The speed of sound in air is (g = 10 m/s2)
A detector is released from rest over a source of sound of frequency f0 = 103 Hz. The frequency observed by the detector at time t is plotted in the graph. The speed of sound in air is (g = 10 m/s2)
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physics-
A person standing at a distance of 6 m from a source of sound receives sound wave in two ways, one directly from the source and other after reflection from a rigid boundary as shown in the figure. The maximum wavelength for which, the person will receive maximum sound intensity, is
A person standing at a distance of 6 m from a source of sound receives sound wave in two ways, one directly from the source and other after reflection from a rigid boundary as shown in the figure. The maximum wavelength for which, the person will receive maximum sound intensity, is
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physics-
A stationary sound source 's' of frequency 334 Hz and a stationary observer 'O' are placed near a reflecting surface moving away from the source with velocity 2 m/sec as shown in the figure. If the velocity of the sound waves is air is V = 330 m/sec, the apparent frequency of the echo is
A stationary sound source 's' of frequency 334 Hz and a stationary observer 'O' are placed near a reflecting surface moving away from the source with velocity 2 m/sec as shown in the figure. If the velocity of the sound waves is air is V = 330 m/sec, the apparent frequency of the echo is
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physics-
The figure shows four progressive waves A, B, C & D . It can be concluded from the figure that with respect to wave A:
The figure shows four progressive waves A, B, C & D . It can be concluded from the figure that with respect to wave A:
physics-General
physics-
Consider two sound sources S1 and S2 having same frequency 100Hz and the observer O located between them as shown in the fig. All the three are moving with same velocity in same direction. The beat frequency of the observer is
Consider two sound sources S1 and S2 having same frequency 100Hz and the observer O located between them as shown in the fig. All the three are moving with same velocity in same direction. The beat frequency of the observer is
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Physics-
A clamped string is oscillating in nth harmonic, then
A clamped string is oscillating in nth harmonic, then
Physics-General
Physics-
A wave travels uniformly in all directions from a point source in an isotropic medium. The displacement of the medium at any point at a distance r from the source may be represented by (A is a constant representing strength of source)
A wave travels uniformly in all directions from a point source in an isotropic medium. The displacement of the medium at any point at a distance r from the source may be represented by (A is a constant representing strength of source)
Physics-General
Physics-
A string is fixed at both ends vibrates in a resonant mode with a separation 2.0 cm between the consecutive nodes. For the next higher resonant frequency, this separation is reduced to 1.6 cm. The length of the string is
A string is fixed at both ends vibrates in a resonant mode with a separation 2.0 cm between the consecutive nodes. For the next higher resonant frequency, this separation is reduced to 1.6 cm. The length of the string is
Physics-General
physics-
Four open organ pipes of different lengths and different gases at same temperature as shown in figure. Let fA, fB, fC and fD be their fundamental frequencies then :[Take 2 CO g = 7/5]
Four open organ pipes of different lengths and different gases at same temperature as shown in figure. Let fA, fB, fC and fD be their fundamental frequencies then :[Take 2 CO g = 7/5]
physics-General
Physics-
The length, tension, diameter and density of a wire B are double than the corresponding quantities for another stretched wire A. Then.
The length, tension, diameter and density of a wire B are double than the corresponding quantities for another stretched wire A. Then.
Physics-General
physics-
A pulse shown here is reflected from the rigid wall A and then from free end B. The shape of the string after these 2 reflection will be
A pulse shown here is reflected from the rigid wall A and then from free end B. The shape of the string after these 2 reflection will be
physics-General
Physics-
A block of mass 1 kg is hanging vertically from a string of length 1 m and mass/length = 0.001 Kg/m. A small pulse is generated at its lower end. The pulse reaches the top end in approximately
A block of mass 1 kg is hanging vertically from a string of length 1 m and mass/length = 0.001 Kg/m. A small pulse is generated at its lower end. The pulse reaches the top end in approximately
Physics-General
physics-
Figure shown the shape of part of a long string in which transverse waves are produced by attaching one end of the string to tuning fork of frequency 250 Hz. What is the velocity of the waves?
Figure shown the shape of part of a long string in which transverse waves are produced by attaching one end of the string to tuning fork of frequency 250 Hz. What is the velocity of the waves?
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