Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields. They include radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the complete range of electromagnetic waves arranged in order of increasing frequency and decreasing wavelength.

Front

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

Back

The lower the frequency, the lower the energy of the electromagnetic wave.

Front

What type of electromagnetic wave has a wavelength of 10^3 meters?

Back

Radio waves.

Front

What type of electromagnetic wave has a wavelength of 10^-10 meters?

Back

X-rays.

Front

Which electromagnetic wave has wavelengths longer than microwaves?

Back

Radio waves.

Front

What is the frequency of visible light compared to infrared waves?

Back

Visible light has a higher frequency than infrared waves.

Front

What happens to the energy of electromagnetic waves as the frequency increases?

Back

As the frequency increases, the energy of the electromagnetic waves increases.

Front

What is the wavelength range of microwaves?

Back

Microwaves have wavelengths ranging from about 1 millimeter to 1 meter.

Front

What type of electromagnetic wave is used in remote controls?

Back

Infrared waves.