Waves and sound trivia

Try 20 Waves and sound trivia questions one at a time, no sign-in needed. Harder questions and review of what you missed continue in the LoreUp app.

• Which formula correctly relates a wave's speed v, frequency f, and wavelength λ?Waves and sound
• What is it called when an ambulance siren sounds at a different pitch coming toward you than going away?Waves and sound
• What do we call sound too high in frequency for the human ear to hear?Waves and sound
• Which property of sound makes an echo come back when you shout in the mountains?Waves and sound
• What does sound need in order to travel?Waves and sound
• Which physical quantity sets the pitch of a sound?Waves and sound
• What is it called when you shout at a mountain or a building and the sound comes back?Waves and sound
• Which phenomenon appears when sunlight is refracted, reflected, and dispersed in raindrops?Waves and sound
• Roughly what is the speed of sound in air at room temperature, about 20 degrees C?Waves and sound
• What is the unit of frequency?Waves and sound
• In air, light spreads more slowly than sound.Waves and sound
• When light reflects, the angle of incidence and the angle of reflection are equal.Waves and sound
• The speed of a wave is written as its frequency divided by its wavelength.Waves and sound
• When light passes from air into water, it generally slows down.Waves and sound
• When a sounding object moves toward an observer, the frequency the observer hears rises.Waves and sound
• Sound travels well even through a vacuum, where there is no air at all.Waves and sound
• The higher the frequency of a sound, the lower the note we hear.Waves and sound
• The larger the amplitude of a sound, the louder it generally sounds.Waves and sound
• Light can travel through a vacuum.Waves and sound
• Sound travels far faster than light.Waves and sound