Sound And Waves: Question Preview (ID: 30989)


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Information transmitted as waves
a) Analog
b) Digital
c)
d)

Information transmitted as 1's and 0's
a) Analog
b) Digital
c)
d)

Frequency modulation
a) Signal imposed on bottom of a carrier frequency
b) Signal imposed on top of a carrier frequency
c)
d)

Transverse waves
a) Waves bouncing off a surface
b) Waves travel in same direction as amplitude
c) Waves travel at a 90 degree angel to amplitude
d)

Reflection
a) Waves travel at a 90 degree angel to amplitude
b) Waves travel in same direction as amplitude
c) Waves bouncing off a surface
d)

Increase in amplitude when two waves meet
a) Constructive interference
b) Destructive interference
c)
d)

Decrease in amplitude when two waves meet.
a) Constructive interference
b) Destructive interference
c)
d)

Longitudinal waves
a) Waves travel at a 90 degree angel to amplitude
b) Waves travel in same direction as amplitude
c) Waves bouncing off a surface
d)

What is the name for a building's effect on sound waves?
a) Pitch
b) Resonance
c) Ultrasound
d) Acoustics

What phenomenon can cause something to begin vibrating without touching it?
a) Doppler effect
b) Reverberation
c) Resonance
d) Sonar

What is the unit of measurement for the loudness of sound?
a) Watt
b) Bel
c) Amp
d) Joule

Which of the following determines pitch?
a) Amplitude
b) Peak
c) Frequency
d) Loudness

Which waves can travel through outer space?
a) Visible light
b) Ultraviolet light
c) X- rays
d) All of these

Sound waves travel slowest through which of the following materials?
a) Air
b) Water
c) Iron
d) Packed Dirt

Sound waves are least likely to travel through which material?
a) Air
b) Water
c) Wool
d) Iron

Which type of wave is quickly transformed into heat?
a) Visible light
b) Infrared light
c) Gamma Rays
d) X- rays

Which waves have the highest frequency?
a) Gamma rays
b) Sound waves
c) Radio Waves
d) x-rays

Which best describes a sound wave?
a) Electromagnetic
b) Mechanical
c) Transverse
d) Simple

What is an overtone
a) It is a secondary wave
b) It is a primary wave
c)
d)

How is your voice box, or larynx, like a musical instrument?
a) It is like a combination string and wind instrument.
b) Cords are like strings vibrating when air is passed over them.
c) Both
d) Neither

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