Review of Waves.

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Presentation transcript:

Review of Waves

Review What is the difference between asking for “the distance between successive parts of a wave and the time between successive parts of a wave”?

Review How are wave height and amplitude related?

Review How are frequency and period related?

Name the Behavior

What is the magnitude of one wavelength?

Word Problem Practice Two boats are anchored in the harbor, separated by a horizontal distance of 30 m. The boats bob up and down as waves enter the harbor. When one boat is at its highest point, the other is at its lowest point and there is one wave crest between them. Each boat makes exactly 2 complete up-and-down cycles every 10.0 s. The vertical distance between a boat's highest and lowest position is 3.0 m. Determine the wavelength (m), frequency (Hz), period (s), amplitude (m), and speed (m/s) of the waves.

Analysis of Diagram

When a door is only slightly opened, sound will pass from one room to another due mainly to_________________. diffraction

The type of wave that travels in the same direction as the oscillations is __________ longitudinal

What occurs when two waves interact to form a bigger wave? Constructive Interference

Destructive Interference What occurs when two waves interact with each other to make a wave of smaller amplitude? Destructive Interference

The type of wave that oscillates perpendicular to the direction the wave travels is ________ transverse

When two or more waves occupy the same space at the same time. interference

Unit of measurement for frequency hertz

Distance from the crest of one wave to the crest of the next wavelength

The time it takes for one cycle to occur. Period

The names for the top and bottom points of a transverse wave. crest , trough

The two types of waves are longitudinal and ______________ transverse

The part of a wave that demonstrates the amount of energy a wave has Amplitude

Bending of a wave as it passes at an angle from one medium to another refraction

Longitudinal or mechanical Sound is an example of a ____ wave. Longitudinal or mechanical

Sound needs a _________ in which to travel medium

Noise-cancellation headphones work by __________ interference destructive