Sound, Light, Mirrors & Lenses Flashcard

Front

What type of waves are sound waves?

Back

Compressional waves

Front

How does the speed of sound change in different states of matter? Options: Faster in gases, Faster in liquids, Faster in solids, Speed is the same in all states

Back

Faster in solids

Front

What is the unit used to measure loudness?

Back

Decibels

Front

What determines the pitch of a sound? Options: Amplitude, Frequency, Wavelength, Intensity

Back

Frequency

Front

What is the purpose of resonators in musical instruments?

Back

To amplify sound

Front

What is echolocation primarily used for?

Back

To locate objects using sound

Front

What type of mirror curves inward?

Back

Concave mirror

Front

What is the angle of incidence?

Back

The angle at which light strikes a surface.

Front

Which type of lens is used to focus light in the human eye?

Back

Convex lens

Front

What is the role of the retina in the eye?

Back

To convert light into electrical signals