ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is the definition of audio? - CORRECT ANSWERS "of sound" or "of the
reproduction of sound"
What is the range of frequencies detectable to the human ear? - CORRECT
ANSWERS approximately 20Hz to 20kHz.
In physics, sound is a form of energy known as - CORRECT ANSWERS acoustical energy
The picture shown is a representation of - CORRECT ANSWERS sound waves
The length of a wave, measured from any point on a wave to the corresponding point on the next
phase of the wave. - CORRECT ANSWERS Wavelength
What does the height of a sound wave indicate when charted on a graph? - CORRECT
ANSWERS Amplitude
______ is the number of times the wavelength occurs in one second. Measured in kilohertz
(Khz), or cycles per second. - CORRECT ANSWERS Frequency
The picture shown is a representation of - CORRECT ANSWERS out of phase
The picture shown is a representation of - CORRECT ANSWERS in phase
, The picture shown is a representation of - CORRECT ANSWERS different waves
Any device which converts energy from one form into another. Microphones and loudspeakers
are both these. - CORRECT ANSWERS Transducer
Sound can be defined as changes in what? - CORRECT ANSWERS Air Pressure
What is the most common component that every microphone has. - CORRECT
ANSWERS diaphragm
What microphone requires power from the battery or external power source? - CORRECT
ANSWERS condenser
What microphone is the most versatile and ideal for general-purpose use? - CORRECT
ANSWERS dynamic
16. What microphone directional property is shown in this picture? - CORRECT
ANSWERS Omnidirectional
17. What microphone directional property is shown in this picture? - CORRECT
ANSWERS Cardioid
18. What microphone directional property is shown in this picture? - CORRECT
ANSWERS Bidirectional