Physics Chapter 19

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The frequency of a certain wave is 10 hertz and its period is: 0.1 s, 10 s, or 100 s?

0.1 s

an object that completes 10 vibrations in 20 seconds has a frequency of

0.5 hertz

the frequency of the second hand on a clock is

1/60 hertz

a 101-MHz radio wave has vibrations per second of

101,000,000

an object that completes 20 vibrations in 10 seconds has a frequency of

2 hertz

water waves pass by a piece of work floating on the water that bobs up and down one complete cycle each second. The waves are 2 meters long. What is the speed of the wave?

2 m/s

the amplitude of a wave is 1 meter. the crest-to-trough distance of the wave is: 0.5 m, 1 m, or 2 m?

2 meters

radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 megahertz is

3.0 m

what is the speed of a wave traveling a distance of 6 meters in one second?

6 m/s

a 60-vibration-per-second wave travels 30 m in 1 s. its frequency is

60 hertz and it travels at 30 m/s

the period of the second hand on a clock is

60 seconds

a standing wave is likely produced when

a wave reflects upon itself

both a transverse wave and a longitudinal wave have: amplitude, frequency, wavelength, speed, or all of the above?

all of the above

the doppler effect is characteristic of : water waves, sound waves, light waves, or all of the above?

all of the above

wave interference occurs for: sound waves, lightwaves, water waves, or all of the above?

all of the above

the vibrations of a longitudinal wave move

along the same direction of wave travel

some of a waves energy dissipates (is lost) as heat. in time, this will reduce the waves: amplitude, wavelength, or frequency?

amplitude

the vibrations of a transverse wave move

at right angles, (perpendicular), to the direction of wave travel.

a red shift for light indicates that the light source is moving

away from you

if you quickly run away from the orchestra at a concert, the frequency of the sound you hear will be increased or decreased?

decreased

a doppler effect occurs when a source of sound moves : towards you, away from you, or either?

either way

a shock wave is produced when a wave source moves

faster than the waves it produces

a sonic boom is produced by an airplane flying at a speed

greater than the speed of sound

if you double the frequency of a vibrating object, its period

halves

if you quickly run toward the orchestra at a concert, the frequency of the sound you will hear will be increased or decreased?

increased

the frequency of a simple pendulum does NOT depend on: its mass, its length, or the acceleration due to gravity?

its mass

a node is a position of

minimum amplitude

the distance traveled by a wave during a single period is

one wavelength

repeatedly dipping your fingers into water produces waves. increasing the frequency of dipping produces waves that are shorter or longer?

shorter

the pendulum with the greatest frequency is one with the shortest or longest length?

shortest

the source of all waves is something that vibrates, energy, or a force of some kind?

something that vibrates

is light, sound or a radio a longitudinal wave?

sound

an aircraft that flies faster than the speed of sound is said to be subsonic, supersonic, or impossible?

supersonic

a blue shift for light indicates that the light source is moving

toward you

all waves have in common a; pattern, vibrating source, or variable regions of high and low pressure?

vibrating source

a wiggle in time is a vibration or wave?

vibration

a wiggle in both space and time is a vibration or wave?

wave


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