8th - EM Waves

Front

What is an electromagnetic wave?

Back

An electromagnetic wave is a transverse wave that involves the transfer of electric and magnetic energy.

Front

What is the speed of electromagnetic waves?

Back

Electromagnetic waves travel at the speed of light.

Front

Which type of EM wave is most damaging?

Back

Gamma rays are the most damaging type of electromagnetic wave.

Front

What is electromagnetic radiation?

Back

The energy that electromagnetic waves transfer through matter or space is called electromagnetic radiation.

Front

What does the letter 'A' represent in wave properties?

Back

The letter 'A' represents amplitude in wave properties.

Front

What is the definition of wavelength?

Back

Wavelength is the distance between successive crests of a wave.

Front

What are the components of an electromagnetic wave?

Back

An electromagnetic wave consists of oscillating electric and magnetic fields that are perpendicular to each other.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, from radio waves to gamma rays.

Front

What is the relationship between frequency and wavelength?

Back

Frequency and wavelength are inversely related; as frequency increases, wavelength decreases.

Front

What is the unit of frequency?

Back

The unit of frequency is Hertz (Hz).