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A longitudinal wave is:PowerPoint Presentation

A longitudinal wave is:

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A longitudinal wave is:

- A wave where the oscillation is perpendicular to the direction of motion
- A wave where the oscillation is in the same direction as the direction of motion

How many nodes and antinodes?

- 4, 5
- 5, 8
- 5, 4
- 4, 8

If the amplitude is twice as big, which of the following is true of a pendulum?

- The pendulum swings twice as far away from the center
- Its period is twice as long
- Its frequency is twice as high
- It must have twice the mass

In any system in simple harmonic motion, the restoring force acting on the mass in the system is proportional to

- Displacement
- The length of a pendulum
- The mass
- frequency

Which of the following sources of sound has the shortest wavelength?

- A female soprano singer at 2,000 Hz
- A bass guitar at 150 Hz
- A male voice at 500 Hz
- The rumble of thunder at 75 Hz

Leader Board wavelength?

In an oscillating mass-spring system, the velocity of the mass is greatest when the mass is

- At the point of maximum displacement
- Halfway between the equilibrium point and maximum displacement
- At a point where acceleration is greatest
- At the equilibrium point

Two successive crests of a transverse wave are 1.20 m apart. Eight crests pass a given point every 12.0 s. What is the wave speed?

- 0.667 m/s
- 1.80 m/s
- 0.800 m/s
- 9.60 m/s

The period of a pendulum may be decreased by Eight crests pass a given point every 12.0 s. What is the wave speed?

- Shortening its length
- Increasing the mass of the bob
- Moving its equilibrium point
- Decreasing the mass of the bob

If the pendulum completes exactly 12 cycles in 2.0 minutes, what is the frequency of the pendulum?

- 0.10 Hz
- 0. 17 Hz
- 6.0 Hz
- 10 Hz

As the swinging bob of a pendulum moves farther from its equilibrium position, the pendulum’s _________ increases

- Frequency
- Mass
- Restoring force
- Length

Leader Board equilibrium position, the pendulum’s _________ increases

A equilibrium position, the pendulum’s _________ increases

The period of this wave is…- 2 seconds
- 4 seconds
- 6 seconds

A equilibrium position, the pendulum’s _________ increases

The amplitude of this wave is…- 4.8 meters
- 4.0 meters
- 2.4 meters

The GPE of the bob of a swinging pendulum is at its maximum when the bob is at

- Maximum displacement
- The equilibrium point
- The center of its swing
- Minimum displacement

In a system in simple harmonic motion, the amplitude depends on

- Frequency
- Wavelength
- The position of the equilibrium point
- Energy of the system

A wave with an amplitude of 0.75 m has the same wavelength as a second wave with an amplitude of 0.53 m. The two waves interfere. What is the amplitude of the resultant wave if the interference is constructive?

- 0.22 m
- 0.53 m
- 0.75 m
- 1.28 m

Leader Board as a second wave with an amplitude of 0.53 m. The two waves interfere. What is the amplitude of the resultant wave if the interference is constructive?

A slinky is stretched to a length of 7 m. All of the following standing wave wavelengths are possible except…

- 21 m
- 14 m
- 7 m
- 3.5 m

A total of 5 s passes as a child completes one complete swing on a playground swing. The period of the swing is

- 1/5 s
- 20 s
- 5 s
- 1 s

The frequency of a certain pendulum is 0.5 Hz. The period of this pendulum is

- 0.2 s
- 0.5 s
- 2 s
- 5 s

Which of the following factors has the greatest effect on the frequency of a swinging pendulum?

- Friction
- Amplitude
- Mass
- Length

If a given pendulum is moved from Earth to a location where the gravitational acceleration is greater than Earth’s, the frequency of the pendulum’s swing will

- Increase
- Decrease
- Be unchanged
- Vary with the mass of the bob

Leader Board the gravitational acceleration is greater than Earth’s, the frequency of the pendulum’s swing will

You have constructed an oscillating mass-spring system for an experiment. In order to increase the frequency of the system, you could

- Decrease the initial displacement
- Use a greater mass
- Use a spring with a higher spring constant
- Increase the period of oscillation

10

A wave with an amplitude of 0.75 m has the same wavelength as a second wave with an amplitude of 0.53 m. If the two waves destructively interfere, what is the amplitude of the resultant wave?

- 0.22 m
- 0.53 m
- 0.75 m
- 1.28 m

10

If the length of a pendulum gets longer, the period of the pendulum:

- Gets longer
- Gets shorter
- Stays the same
- Not enough information

10

When a transverse wave passes through water, water molecules are displaced

- Permanently in the direction of the wave motion
- Permanently in a direction perpendicular to the wave
- Temporarily in the direction of the wave motion
- Temporarily in a direction perpendicular to the wave

10

Leader Board are displaced

A wave that is produced by a single motion that does not repeat is a ________.

- Transverse wave
- Continuous wave
- Pulse
- Compression

10

The distance between two successive troughs of a transverse wave is the wave’s

- Amplitude
- Wavelength
- Frequency
- Rarefaction

10

Suppose you are dangling your foot in a swimming pool, making ripples (waves) by moving your foot up and down. What could you do to make the ripples travel faster through the water?

- Move your foot up and down more frequently
- Move your foot up and down less frequently
- Move your foot up and down more strongly
- None of the above

10

When a wave on a rope strikes a free boundary, the wave is making ripples (waves) by moving your foot up and down. What could you do to make the ripples travel faster through the water?

- Reflected and inverted
- Reflected but not inverted
- Not reflection
- absorbed

10

A wave is passing through a uniform medium. As the frequency of this wave increases, its wavelength

- Depends on amplitude
- Decreases
- Increases
- Does not change

10

Leader Board frequency of this wave increases, its wavelength

If the amplitude of a mechanical wave is tripled, the rate of energy transfer of the wave is _____ .

- Increased by a factor of 9
- Decreased by a factor of 9
- Increased by a factor of 3
- Decreased by a factor of 3

10

A ____ wave travels through a medium as a series of compressions and rarefactions.

- Sine
- Longitudinal
- Pulse
- Transverse

10

When two transverse waves traveling through a medium meet and exactly coincide, the resulting displacement of the medium

- Is the sum of the displacements of each wave
- Is zero
- Is always greater than the displacement of either wave alone
- Is always destructive

10

When two waves having displacements in opposite directions meet, ____ occurs.

- Complete destructive interference
- No interference
- Constructive interference
- Destructive interference

10

A wave pattern on a stretched string appears to be stationary. This wave pattern is an example of

- A longitudinal wave
- A non-periodic wave
- A pulse wave
- A standing wave

10

Leader Board stationary. This wave pattern is an example of

In a standing wave on a vibrating string, a point that appears to remain stationary is a(n)

- Antinode
- Point of constructive interference
- Node
- rarefaction

10

An ocean wave has a frequency of 2 Hz and a speed of 20 m/s. What is the wavelength of this wave?

- 0.1 m
- 5 m
- 10 m
- 40 m

10

Two waves meet and interfere constructively. Which one of the following factors increases?

- Period
- Frequency
- Wavelength
- None of the above

10

You sit in the audience and listen to a concert band play. Which instruments sound reaches your ears first, the flute or the trombone?

- The flute
- The trombone
- They reach your ears at the same time.

10

If a 48 kg mass oscillates on a spring with a spring constant of 12 N/m, what is the period of the oscillation?

- 8π seconds
- 4π seconds
- π seconds
- π/2 seconds

10

Leader Board constant of 12 N/m, what is the period of the oscillation?

A certain oscillating mass-spring system has a period of 1.2 s with a 1.0 kg mass. What will the period be when a 4.0 kg mass is substituted for the 1.0 kg mass?

- 4.8 s
- 2.4 s
- 0.6 s
- 0.3 s

10

The spring constant in a given oscillating mass-spring system may be changed by

- Increasing the mass
- Decreasing the mass
- Decreasing the initial displacement
- None of the above

10

If the pendulum’s length is 2.00 m and the acceleration due to gravity is 9.80 m/s2, how many complete oscillations does the pendulum make in 5.00 min?

- 1.76
- 21.6
- 106
- 239

10

In an oscillating mass-spring system, the distance of the maximum compression distance of the spring is a measure of

- Amplitude
- Frequency
- Period
- Equilibrium

10

Final Leader Board maximum compression distance of the spring is a measure of

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