Light and Sound

What’s inside

• When a light ray enters glass from air at an oblique angle, what primarily causes it to bend?
• Why cannot sound travel through a perfect vacuum?
• Which property of light is demonstrated when sunglasses reduce glare by blocking waves with a particular orientation…
• A listener hears a higher pitch from an approaching ambulance than from the same ambulance at rest. Which phenomenon…
• Match each sound property with the perceptual characteristic it most directly influences.
• Match each wave phenomenon with its best description.
• Match each electromagnetic region with its characteristic use or occurrence.
• Match each optical device with the main way it modifies or uses light.