Which ray best describes the path of the light reflected from the mirror?
What is the amplitude of this wave?
When multiple waves combine to make a wave of smaller amplitude?
Which graphs has an amplitude of 10 centimeters?
Which of the graphs has a period of two seconds?
Which diagram illustrating two waves “in phase”? AB C
The distance from crest to crest
The wavelength of a wave
Waves that travel perpendicular to the direction of oscillations?
A transverse wave
Number of cycles that occur in one second
How many anti-nodes does this standing wave have?
Three anti-nodes (Four nodes)
Reflected sound is called?
What is the wavelength of this waves?
λ = 1 meter
The unit for frequency
What is the area pointed to in #2:
What types of waves is this:
Compressional or longitudinal
The energy of a wave is in its:
= a system that shows harmonic motion.
Oscillator (oscillating system)
How many complete cycles are there on this graph?
When motion is faster than the speed of sound?
Polly is standing on the bottom of a wide canyon, leaning against its wall. She shouts "hello" toward the opposite side of the canyon. If the speed of sound is 340 m/sec and Polly hears her own echo 4 seconds later, how wide is the canyon?
680 meters 2 seconds (2 seconds x 340 meters/sec)