Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

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

Front

What is the speed of electromagnetic waves in a vacuum?

Back

All electromagnetic waves travel at the same speed in a vacuum, which is approximately 300,000 km/s.

Front

Which type of electromagnetic wave has the longest wavelength?

Back

Radio waves have the longest wavelength in the electromagnetic spectrum.

Front

Which type of electromagnetic wave has the shortest wavelength?

Back

Gamma rays have the shortest wavelength in the electromagnetic spectrum.

Front

How are frequency and wavelength related in electromagnetic waves?

Back

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

Front

What type of electromagnetic waves are used in communication?

Back

Radio waves are commonly used in communication technologies.

Front

What is the frequency of radio waves compared to other electromagnetic waves?

Back

Radio waves have the lowest frequency compared to other types of electromagnetic waves.

Front

What type of electromagnetic radiation can be seen by the human eye?

Back

Visible light is the type of electromagnetic radiation that can be seen by the human eye.

Front

What is the relationship between high frequency and wavelength?

Back

High frequency waves have short wavelengths.

Front

What type of electromagnetic waves can cause sunburn?

Back

Ultraviolet (UV) rays can cause sunburn.