Question

A longitudinal wave propagates through a medium. Which of the following, if any, holds true?

A. Elements of the medium are displaced perpendicular to the direction of propagation of the wave

B. The wavelength is equal to the product of the propagation speed and the oscillation period

C. Elements of the medium are displaced back and forth along the axis of propagation of the wave

D. The wavelength is equal to the ratio of the propagation speed and the oscillation frequency

Answer #1

On a medium that propagates waves with the
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Y = 0.02 Sin (6π X - 12π t) m. Specify:
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An electromagnetic wave in a medium is given by the following
wave function expression:
E=5E0(i-2j)sin(kx-wt).
The wave is known to have a wavelength of 690 nm and frequency of
3.2*1014 Hz. Also E0=104 V/m. For
this wave find the propagation number, angular frequency, direction
of propagation, speed of wave, index of refraction of medium,
direction of E oscillation, direction of
corresponding B oscillation, amplitude of
E, amplitude of B, and calculate
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If we move a refrigerator magnet back and forth, we generate an
electromagnetic wave that propagates away from us. Assume we move
the magnet along the z-axis centered on the origin with an
amplitude of 10 cm and with a frequency of 2.0 Hz. Consider a loop
in the xy-plane centered on the origin with a radius of 2.0 cm.
Assume that when the magnet is closest to the loop, the magnetic
field within the loop has a spatially uniform...

TRUE and FALSE Questions
5. Temperature of as gas is the average kinetic energy of the
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6. Wavelength of a wave is the distance between two successive
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7. In longitudinal waves, the amplitude of the wave parallel to
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8. Sound is an example of transverse wave
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9. Speed of a wave is the product of its wavelength and
frequency.
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10. Frequency of sound wave...

A wave travels along a taut string in the positive x-axis
direction. Its wavelength is 40 cm and its speed of propagation
through the string is 80 m / s. The amplitude of the wave is 0.60
cm. At t = 0 the point of the chord at x = 0 is at the point of
maximum oscillation amplitude, y = + A.
a) Write the equation of the wave in the form of sine [y = A sin
(kx...

A wave travels along a taut string in the positive x-axis
direction. Its wavelength is 40 cm and its speed of propagation
through the string is 80 m / s. The amplitude of the wave is 0.60
cm. At t = 0 the point of the chord at x = 0 is at the point of
maximum oscillation amplitude, y = + A.
a) Write the equation of the wave in the form of sine [y = A sin
(kx...

A continuous sinusoidal longitudinal wave is sent along a very
long coiled spring from an attached oscillating source. The wave
travels in the negative direction of an x axis; the source
frequency is 24 Hz; at any instant the distance between successive
points of maximum expansion in the spring is 20 cm; the maximum
longitudinal displacement of a spring particle is 0.69 cm; and the
particle at x = 0 has zero displacement at time t = 0. If the...

*I NEED ALL THE QUESTIONS ANSWERS*
1.When the period of oscillation decreases, the (a) amplitude
increases, (b) frequency increases, (c)
wavelength increases, (d) frequency decreases.
2.Sound is (a) transverse wave, (b) longitudinal wave, (c)
standing wave, (d) magnetic wave.
3.When two waves interfere, which of the following add? (a)
wavelength, (b) frequency, (c) phase, (d) amplitude.
4.The wave speed is equal to (a) the ratio of the frequency and
wavelength, (b) the ratio of the frequency and the period, (c)...

(1A) A transverse sinusoidal wave travels along a string with a
constant speed 10 m/s. The acceleration of a small lump of mass on
the string (a) varies sinusoidally in time in a direction
perpendicular to the string, (b) varies sinusoidally in time in a
direction parallel to the string, (c) is 10 m/s 2 , (d) is
zero.
(1B) In a periodic transverse wave on a string the value of the
wave speed depends on (a) amplitude, (b) wavelength,...

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a. the air density is lower.
b. the speed of sound is faster in cold air.
c. the speed of sound is slower in cold air.
d. of diffraction.
19. For any longitudinal or transverse wave, the speed is given
by
a. the product of wavelength and period (v =
λT).
b. the product of period and frequency (v = Tf).
c. the product...

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