Unit 6. Waves, Light, and Sound

Front

What are sound waves created by?

Back

Sound waves are created by vibrations.

Front

What type of wave is a transverse wave?

Back

A transverse wave is a wave where the motion of the medium is perpendicular to the direction of the wave.

Front

What small range in the electromagnetic spectrum is known as light?

Back

Light is a small range in the electromagnetic spectrum that is visible to the human eye.

Front

What phenomenon occurs when light bends as it passes through different mediums?

Back

Refraction is the phenomenon that occurs when light bends as it passes through different mediums.

Front

What does translucent mean?

Back

Translucent refers to materials that allow some light to pass through but blur it.

Front

What is a compressional wave?

Back

A compressional wave is a wave in which the medium moves in the same direction as the wave.

Front

What is the difference between transparent and opaque materials?

Back

Transparent materials allow light to pass through clearly, while opaque materials do not allow any light to pass through.

Front

What is reflection in terms of light?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is the focal point in optics?

Back

The focal point is the point where light rays converge after passing through a lens.

Front

What is the speed of sound in air at room temperature?

Back

The speed of sound in air at room temperature is approximately 343 meters per second.