If you combine two identical waves 180 degrees out of phase, what happens?
A) nothing
B) silence
C) constructive interference
D) beats
Correct Answer:
Verified
Q1: A sound wave is _
A) a variation
Q2: Sound pressure drops _ dB each time
Q3: Loud sounds have _.
A) high frequencies
B) low
Q4: One thousand cycles per second is abbreviated
Q5: A high-pitched sound has a _.
A) high
Q7: A complex wave is made of _.
A)
Q8: Noise (in audio) is _.
A) Undesired sound
B)
Q9: The four parts of an envelope are
Q10: Sounds with short envelopes _.
A) have quick
Q11: The speed of sound is _.
A) about
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