Draw Wave Label Crests Troughs Wavelengths Period Amplitude Transverse
Draw Wave Label Compression Rarefractions Wavelengths Period Amplitude Longitudinal
Speed of Wave Speed = distance / time Speed = amount of distance a wave travels / time it takes the wave to cover that distance
Example Mac and Tosh are resting on top of the water near the end of the pool when Mac creates a surface wave. The wave travels the length of the pool and back in 25 seconds. The pool is 25 meters long. Determine the speed of the wave.
Example The period of a wave is seconds. It travels at a velocity of 10.0 m/s. Determine the frequency and the wavelength of the wave.
STANDING WAVES A standing wave is a traverse wave that does not travel. For this to happen, both ends of the waves need to be attached to something.
Nodes and antinodes Nodes- places of no displacement on a wave Antinodes – midway between nodes and a place where displacement is at a maximum
How many nodes/antinodes? 5 nodes 4 antinodes
How many nodes/antinodes? Nodes? Antinodes?
Interference Interference is when waves add or subtract and interact with each other
Types of Interference CONSTRUCTIVE Adding up of waves DESTRUCTIVE Subtracting waves
What kind of interference?
Superposition Principle- the addition of waves 09waves/ 01/html/lectures/004_sound_III.htm