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Int. Sci. Ch. 16
Question | Answer |
---|---|
Reflection | The bouncing back off a ray of light, sound, or heat when the ray hits a surface that it doesn't go through |
Diffraction | A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening |
Refraction | The bending of a wave front as it passes between two substances in which the speed of the wave differs |
Interference | The combo. of two or more waves that produces an intensity equal to the sum of the intensities of the individual waves |
Pitch | A measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave |
Resonance | When two objects naturally vibrate at the same frequency |