A wiggle in time is a |
A |
A common source of wave motion is a |
C |
Like a transverse wave, a longitudinal wave has |
A |
In a longitudinal wave the compression and rarefaction travel in |
A |
Which of the following is not a transverse wave? |
A |
The vibrations of a transverse wave move in a direction |
B |
The vibrations of a longitudinal wave move in a direction |
A |
How many vibrations per second are associated with a 101-MHz radio wave? |
B |
Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 megahertz is |
B |
The frequency of a simple pendulum depends on |
E |
If the frequency of a certain wave is 10 hertz, its period is |
A |
A 60-vibration-per-second wave travels 30 meters in 1 second. Its frequency is |
B |
An object that completes 10 vibrations in 20 seconds has a frequency of |
A |
An object that completes 20 vibrations in 10 seconds has a frequency of |
C |
An object that completes 100 vibrations in 5 seconds has a period of |
D |
A weight suspended from a spring bobs up and down over a distance of 1 meter in two seconds. Its frequency is |
A |
To say that one wave is out of phase with another is to say that the waves are |
D |
Wave interference occurs for |
D |
A standing wave occurs when |
B |
A node is a position of |
A |
The Doppler effect is characteristic of |
D |
A Doppler effect occurs when a source of sound moves |
C |
A wave barrier is produced when a wave source moves |
B |
A bow wave is produced when a wave source moves |
C |
An observer on the ground hears a sonic boom which is created by an airplane flying at a speed |
C |
An aircraft that flies faster than the speed of sound is said to be |
B |
As a supersonic craft increases in speed, the angle of its V-shaped shock wave becomes |
B |
The source of a sonic boom |
B |
A fishing-boat captain returns to port saying, "It’s rough out there – the waves are 4 meters high." He probably means that the amplitude of the waves is |
C |
If waves are going by at the same speed, the wave with the greatest period of oscillation is the wave that has the greatest |
D |
If the waves are going by at the same frequency, the wave that has the greatest speed will have the greatest |
B |
A floating leaf oscillates up and down two complete cycles each second as a water wave passes by. What is the wave’s frequency? |
C |
A floating leaf oscillates up and down two complete cycles in one second as a water wave passes by. The wave’s wavelength is 10 meters. What is the wave’s speed? |
C |
A wave travels an average distance of 6 meters in one second. What is the wave’s velocity? |
D |
A wave travels an average distance of 1 meter in 1 second with a frequency of 1 hertz. Its amplitude is |
D |
The frequency of the second hand on a clock is |
B |
The period of the second hand on a clock is |
C |
A Doppler effect occurs when a source of sound moves |
A |
The amplitude of a particular wave is 1 meter. The top-to-bottom distance of the disturbance is |
C |
When a pendulum clock at sea level is taken to the top of a high mountain, it will |
B |
If you double the frequency of a vibrating object, its period |
B |
You dip your finger repeatedly into water and make waves. If you dip your finger more frequently, the wavelength of the waves |
A |
During a single period, the distance traveled by a wave is |
B |
A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is |
C |
A wave oscillates up and down two complete cycles each second. If the wave travels an average distance of 6 meters in one second, its wavelength is |
D |
As a train of water waves goes by, a piece of cork floating on the water bobs up and down one complete cycle each second. The waves are 2 meters long. What is the speed of the wave? |
D |
A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves? |
A |
A child swings to and fro on a playground swing. If the child stands rather than sits, the time for a to-and-fro swing is |
B |
A pendulum clock at high altitudes runs |
B |
The stride of a horse depends somewhat on the pendulum-like swing of its legs. This stride would be higher in frequency if more of the mass in its legs were concentrated |
A |
A jet traveling at 1500 km/hr passes between observers A and B. In a short time a sonic boom will be heard by |
D |
The sonic boom at ground level produced by an aircraft will be reduced if the aircraft |
A |
As a source of continuous sound approaches a constant speed, you will be aware of an apparent increasing of its |
E |
If at a concert, a wind blows directly from the orchestra toward you, the speed of the sound you hear will be |
B |
At a concert the oboe is playing a long steady note as you walk away from the stage at an accelerating velocity toward the rest room. The pitch of the sound that you hear, is |
C |
If at a concert you run toward the orchestra, the frequency of the sound you hear will be |
B |
Two wave crests are generated at opposite ends of a long rope. Will there be an instant in which the rope’s amplitude is zero everywhere? |
C |
A common source of wave motion is |
D |
The pendulum with the greatest frequency is the pendulum with the |
C |
In a longitudinal wave the compressions and rarefactions travel |
B |
Which of the following is not a transverse wave |
C |
A standing wave occurs when |
C |
The Doppler effect occurs when a source of sound moves |
D |
The frequency of a simple pendulum is independent of its |
B |
An object that completes 14 vibrations in 7 seconds has a frequency of |
D |
A bow wave is produced when the source of a wave moves |
B |
As a supersonic aircraft increases speed, the angle of its shock wave becomes |
B |
The period of the second hand on a clock is |
D |
A source of high frequency sound emits a high |
C |
Double the frequency of sound and you halve its |
A |
The approximate range of human hearing is |
A |
A sound wave is a |
B |
Sound travels faster in |
B |
Sound waves can not travel in |
C |
The speed of a sound wave in air depends on |
A |
The object with the highest natural frequency is a |
A |
Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 megahertz is |
D |
The frequency of a simple pendulum depends on |
E |
A 60-vibration per second wave travels 30 meters in 1 second. Its frequency is |
C |
To say that one wave is out of phase with another is to say that the waves are |
D |
A node is a position of |
B |
The doppler effect is a characteristic of |
D |
For light, a red shift indicates that the light source is moving |
A |
A floating object oscillates up and down 2 complete cycles in 1 second as a water wave of wavelength 5 meters passes by. The speed of the wave is |
A |
Suppose a simple pendulum is suspended in an elevator. When the elevator is accelerating upward, the frequency of the pendulum |
A |
The stride of a horse depends somewhat on the pendulum like swing of its legs. The stride would be higher in frequency if more of the mass in its legs were concentrated |
A |
At a concert the oboe is playing a long steady note as you walk away from the stage at an accelerating velocity toward the rest room. The pitch of the sound that you hear is |
B |
Double the frequency of sound and you also double its |
E |
We are best at hearing |
D |
A piano tuner knows that a key on the piano is tuned to the frequency of his tuning fork when he strikes them at the same time and the number of beats he hears each second is |
A |
Sound travels faster in air if the air temperature is |
B |
When the speed of sound near the ground is greater than it is at higher altitudes, the sound tends to be bent |
B |
A dolphin perceives its environment by the sense of |
C |
The energy of sound in air eventually becomes |
B |
The frequencies of sound that carry farther in air are |
A |
The natural frequency of an object depends on its |
A |
The least energy required to produce forced vibration in an object occurs |
B |
Which doesn’t belong to the same family? |
C |
When you tune a radio to a certain station, you match the frequency of the internal electrical circuit to the frequency of the wanted radio station. In so doing you are employing the principles of |
B |
For FM radio, the F stands for |
D |
In which one of these media does sound travel the fastest? |
A |
Ch 19 physics
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