TEST 11 &12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| the diagram illustrating two waves in phase is: | it's the same
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| which of the following usually occurs inside a material instead of at the surface? | absorption
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| a violin string vibrates at a fundamental frequency of 200 Hz. the frequency of the third harmonic for this string is | 600 Hertz
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| a longitudinal wave travels | in the same direction as the oscillations
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| how many anti-nodes does this standing wave have <><><> | 3
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| an ocean has a frequency of 2 Hz and a speed of 20 m/sec. What is the wavelength of this wave? | 10 meters
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| if you double the frequency of a pendulum, what happens to the period of one cycle? | the period is 1/2 its original time
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| a mass oscillates on the end of a spring with a period of 4 seconds. what is the frequency of the oscillator? | .25 Hz
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| natural frequency is: | the frequency at which a system oscillates when it is disturbed
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| a transverse wave: | oscillated perpendicular to the direction of wave travel
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| although a door is only slightly open, sound will pass from one room to another due mainly to: | reflection
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| sound waves are always: | longitudinal waves
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| which factor listed below has the greatest effect on the period of a pendulum? | length of the string
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| destructive interference occurs because: | multiple waves combine to make a wave of smaller amplitude
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| the wavelength of a wave is defined as | the distance from crest to crest
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| when a guitar is plucked it vibrates at its fundamental. If a guitar string is 68 cm long, what is the speed of the wave on a string if the fundamental frequency of the guitar string is 262 hertz? | 356 m/sec
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| eyeglasses bend light waves by the process of | refraction
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| the amplitude of a pendulum is doubled. this means | the pendulum will swing twice as far away from the center.
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| when a wave reflects from a hard surface, it may do all of the following except- | change from transverse to longitudinal
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| if the length of a pendulum increases, the period of the pendulum | increases
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| a vibrating string has a natural frequency of 30 hertz the string will also be resonant at | 60 Hertz
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| a piano is the approximate wave length in centimeters of this sound wave if the speed of sound in air is 340meters per second? | 77 centimeters
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| time for one cycle to occur | period
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| a single unit of periodic motion | cycle
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| distance from one point on a wave to the same point on the next wave | wavelength
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| unit of measurement for frequency (one cycle per second) | Hertz
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| happens when two or more waves interact | interference
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| multiples of the fundamental | harmonics
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| a group chosen to include all those thing of interest to be studied | decibel
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| a system that shows harmonic motion | oscillator
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| the maximum response to an oscillating force occurring at a natural frequency | resonance
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| number of cycles that occur in one second | frequency
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
lbanana217
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