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.

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A longitudinal wave is

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

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

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


A longitudinal wave is

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

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

Leader Board


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

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


A longitudinal wave is

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

The period of a pendulum may be decreased by

  • 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

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


A longitudinal wave is

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

  • Frequency

  • Mass

  • Restoring force

  • Length


Leader board1

Leader Board


The period of this wave is

A

The period of this wave is…

  • 2 seconds

  • 4 seconds

  • 6 seconds


The amplitude of this wave is

A

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

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

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

  • Frequency

  • Wavelength

  • The position of the equilibrium point

  • Energy of the system


A longitudinal wave is

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 board2

Leader Board


A longitudinal wave is

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 longitudinal wave is

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

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

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

  • Friction

  • Amplitude

  • Mass

  • Length


A longitudinal wave is

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 board3

Leader Board


A longitudinal wave is

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 longitudinal wave is

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

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

  • Gets longer

  • Gets shorter

  • Stays the same

  • Not enough information

10


The material through which a mechanical wave travels is

The material through which a mechanical wave travels is

  • A medium

  • Empty space

  • Water

  • Air

10


When a transverse wave passes through water water molecules are displaced

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 board4

Leader Board


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

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

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

  • Amplitude

  • Wavelength

  • Frequency

  • Rarefaction

10


A longitudinal wave is

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

When a wave on a rope strikes a free boundary, the wave is

  • 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

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 board5

Leader Board


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

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

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

  • Sine

  • Longitudinal

  • Pulse

  • Transverse

10


A longitudinal wave is

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

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 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 board6

Leader Board


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

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

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

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

  • Period

  • Frequency

  • Wavelength

  • None of the above

10


A longitudinal wave is

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


A longitudinal wave is

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 board7

Leader Board


A longitudinal wave is

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

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


A longitudinal wave is

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


A longitudinal wave is

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


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