Waves - 2nd semester review

Front

What is the electromagnetic spectrum (EMS)?

Back

The EMS is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

List the order of waves in the electromagnetic spectrum from longest wavelength to shortest wavelength.

Back

Radio, Micro, Infrared, Visible, Ultraviolet, X-ray, Gamma.

Front

What are the colors of visible light in order from longest wavelength to shortest wavelength?

Back

Red, Orange, Yellow, Green, Blue, Indigo, Violet.

Front

What is a mechanical wave?

Back

A mechanical wave is a wave that requires a medium (solid, liquid, or gas) to travel through, such as sound waves.

Front

Which type of wave is a sound wave?

Back

A sound wave is a type of mechanical wave.

Front

What are the hazards associated with radio waves?

Back

Radio waves are generally considered safe and are not harmful to humans.

Front

What is the unit of intensity in sound?

Back

The unit of intensity in sound is the decibel (dB).

Front

Define wavelength.

Back

Wavelength is the distance between successive crests of a wave, typically measured in meters.

Front

What is frequency in relation to waves?

Back

Frequency is the number of waves that pass a given point in one second, measured in hertz (Hz).

Front

What is the relationship between wavelength and frequency?

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases and vice versa.