Read chapter 14 on Wave Motion in the text by Wolfson and then answer these basi

Question

Read chapter 14 on Wave Motion in the text by Wolfson and then answer these basic questions.

1) A wave in which the disturbance is perpendicular to the direction of travel of the wave is a...

semi-harmonic wave.
semi-periodic wave.
transverse wave.
longitudinal wave.
(a) and (c)
(b) and (d)
2) You can increase the average power delivered by a wave by increasing

its amplitude
its frequency
its wave speed
all of the above
none of the above
3) Two waves of equal amplitudes traveling in opposite directions pass through each other. After they have passed through each other, their amplitudes have

increased by a factor of 2
increased by a factor of square root of 2
not changed
decreased by a factor of square root of 2
decreased by a factor of 2
4) The units for the angular wave number k are

sec-1
m/sec
m-1
radians
5) Dividing the wavelength by the period of a wave tells you its

speed
amplitude
phase angle
angular wave number
6) A continuous wave is moving down a string. If we look at a particle that is located at a particular position (e.g., x = 0 cm), that particle will...

be moving perpendicular to the direction of the wave.
be moving parallel to the direction of the wave.
not be moving.
not be accelerating.
not be changing the sign of its acceleration.
7) You can increase the velocity of a wave along a string by...

increasing the tension in the string.
decreasing the tension in the string.
increasing the mass per unit length of the string.
decreasing the mass per unit length of the string.
(a) and (c)
(a) and (d)
(b) and (c)
8) A maxima and minima in a standing wave pattern does not move to the left or right. This happens when

the velocity of the traveling wave involved goes to zero while keeping the wavelength constant.
the velocity of the traveling wave involved goes to infinity while keeping the wavelength constant.
two waves of the same amplitude and wavelength travel in the same direction and constructively interfere.
two waves of the same amplitude and wavelength traveling in opposite directions.
9) The units for sound intensity levels are

decibels
watts
watts/m2
joules
m/sec
10) Any periodic wave can be written as a sum of simple harmonic waves via a the process of

integration
Laplace transformation
Clohessy sumation
Fourier analysis
Complex Highfill analysis

Explanation / Answer

1. transverse wave.

2. all of the above.

3. not changed

4. m-1

5. speed

6. be moving perpendicular to the direction of the wave.

7. (a) and (d)

8. two waves of the same amplitude and wavelength traveling in opposite directions.

9. decibels

10. Fourier analysis

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