Waves: Sound and Light

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Waves basics quiz

Tan-ya Williams

United States

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Waves: Sound and Light


Froggy Jumps Waves: Sound and LightVersion en ligne Waves basics quiz par Tan-ya Williams 1 Which type of wave is a sound wave? a Transverse wave b Longitudinal wave c Electromagnetic wave 2 What is the typical speed of sound in air at room temperature? a About 3.0 x 10^8 meters per second b About 30,000 kilometers per second c About 343 meters per second 3 What medium can sound travel through? a Only air with humidity b Solids, liquids, and gases c Only vacuum 4 What must light travel through when it changes direction at a boundary? a A chemical reaction b A source of heat c A medium with a different optical density 5 Which property of a wave determines its color in visible light? a Wavelength b Speed c Amplitude 6 Which statement about light is true? a Light needs a medium to travel b Light always slows in air c Light can travel through vacuum 7 Which property of sound changes when it moves farther away from the source? a Color b Loudness (amplitude) c Speed 8 What is the speed of light in vacuum approximately? a About 3.00 x 10^8 meters per second b About 3.00 x 10^6 meters per second c About 3.00 x 10^3 meters per second 9 Which type of wave is visible light primarily? a Electromagnetic wave b Acoustic wave c Mechanical wave 10 What happens to light when it enters a medium with higher optical density? a It disappears b Its speed decreases and it bends (refraction) c Its speed increases