Waves, Light, & Sound

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks or troughs in a wave.

Front

What happens to frequency when wavelength increases?

Back

Frequency decreases.

Front

What type of waves does sound travel as?

Back

Sound travels as mechanical waves.

Front

List the electromagnetic waves in order of increasing wavelength.

Back

Gamma rays, X-rays, ultraviolet rays, visible light, infrared rays, microwaves, radio waves.

Front

What electromagnetic waves are used in ovens and cell phone communications?

Back

Microwaves.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is the difference between transverse and longitudinal waves?

Back

Transverse waves oscillate perpendicular to the direction of wave travel, while longitudinal waves oscillate parallel to the direction of wave travel.

Front

What is an example of a mechanical wave?

Back

Sound waves are an example of mechanical waves.

Front

What is the relationship between wavelength and energy in electromagnetic waves?

Back

As wavelength increases, energy decreases.

Front

What is the visible spectrum?

Back

The visible spectrum is the range of electromagnetic waves that can be seen by the human eye, typically from about 400 nm to 700 nm.