IPC Notes Wave Properties. Definitions reflection – the bouncing back of a wave ex) your reflection in a mirror & a sound echoes.

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Presentation transcript:

IPC Notes Wave Properties

Definitions reflection – the bouncing back of a wave ex) your reflection in a mirror & a sound echoes

Definitions refraction – the bending of a wave caused by a change in medium ex) objects look distorted under water

Definitions diffraction – occurs when an object causes a wave to change direction and bend around it ex) ocean waves change direction after striking an island

Definitions resonance – the ability of an object to vibrate by absorbing energy at its natural frequency ex) a wine glass vibrating

The Tacoma Bridge

Calculations V = f x λ V = velocity (m/s) f = frequency (Hertz – Hz) λ = wavelength (m)

Calculations 1. A wave travels with a velocity of 10 m/s and a frequency of 5 Hz. What is the wavelength?

Calculations 2. An ocean wave has a length of 9 meters and a frequency of 3 Hz. What is the velocity?

Calculations 3. A wave has a wavelength of 8 meters and a velocity of 56 m/s. What is the frequency?