WorksheetsPhysical Science Chapter 13
Total questions: 10
Worksheet time: 2mins
The vocal sounds originate in the larynx
True
False
Resonance causes beats to form
True
False
The room’s or building’s effects on sound
Acoustics
Reverberations
What is the fundamental frequency
440 Hz
420 Hz
880 Hz
What is the Doppler effect
most noticeable when the source of a sound and the listener move at different velocities
simply focusing sound energy in one specific direction
What is seismology
the study of earthquakes and the waves that cause them
Produced by animals, earthquakes, and volcanoes
Frequencies that are below the range of sound that humans can hear
Active Sonar
Sends out short piles of sounds
Uses hydrophones
Receives them as they are reflected back
Basically an underwater microphone that listens for sound waves that other objects make
Passive Sonar
Sends out short piles of sounds
Basically an underwater microphone that listens for sound waves that other objects make
Uses hydrophones
Receives them as they are reflected back
Ultrasonic Uses
Echolocation
Medical testing
Short-range Sonar
What is Loudness of the Voice
causes beats to form
multiples of the fundamental frequency
determined by the volume of air that moves by the Vocal cords
