1938236
Beschreibung
Quiz von patriciadj, aktualisiert more than 1 year ago
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Erstellt von patriciadj
vor fast 10 Jahre
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Frage 1
Frage
What type of wave is a sound wave?
Antworten
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longtitudinal wave
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transverse wave
Frage 2
Frage
The crest is;
Antworten
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the bottom of a wave
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the disturbance produced by one complete vibration at the source
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the top of a wave
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the distance travelled by one cycle
Frage 3
Frage
Which are examples of longtitudinal waves?
Antworten
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waves on a rope, water waves, mexican wave
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ultrasonic waves, waves on a rope, water waves
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sound waves, compression waves on a spring, ultrasonic waves
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compression waves on a spring, sound waves, water waves
Frage 4
Frage
What type of wave can not be polarised?
Antworten
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transverse
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longtitudinal
Frage 5
Frage
The apparent change in frequency of waves due to the motion of the source or the observer is called;
Antworten
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interference
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doppler effect
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diffraction
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polarisation
Frage 6
Frage
Can mechanical waves travel without a medium?
Antworten
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yes
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no
Frage 7
Frage
Which is not a property of waves? (wave phenomena)
Antworten
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polarisation
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separation
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diffraction
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reflection
Frage 8
Frage
What points are at rest when a rope is vibrating?
Antworten
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nodes
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amplitude
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trough
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antinodes
Frage 9
Frage
What type of interference is it when the amplitude of a resulting wave is less than the amplitude of the individual waves?
Antworten
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constructive
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destructive
Frage 10
Frage
Diffraction is;
Antworten
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the bending of waves as it passes from one medium to another
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the meeting of two waves and creating another wave
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the sideways spreading of waves into a region beyond a gap or around an obstacle
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the bouncing off a surface
Frage 11
Frage
What is the unit of frequency?
Antworten
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cm
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watts
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grams
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hertz
Frage 12
Frage
Which one is an example of an electromagnetic wave?
Antworten
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infra-red waves
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ultrasonic waves
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water waves
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none of the above
Frage 13
Frage
What is the speed of sound in air?
Antworten
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340 m/s
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300000000 m/s
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4180 m/s
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390 m/s
Frage 14
Frage
Two sources of periodic waves with a constant phase difference are said to be;
Antworten
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interfering
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coherant sources
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echoing
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none of the above
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