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.

Front

Which type of electromagnetic wave has the longest wavelength?

Back

Radio waves have the longest wavelengths in the electromagnetic spectrum.

Front

Which type of electromagnetic wave can be seen with the unaided eye?

Back

Visible light is the only type of electromagnetic wave that can be seen without any aid.

Front

What type of electromagnetic wave has shorter wavelengths than visible light?

Back

Ultraviolet rays have shorter wavelengths than visible light.

Front

What type of electromagnetic wave has higher frequencies than microwaves?

Back

Infrared rays have higher frequencies than microwaves.

Front

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

Back

As the wavelength of an electromagnetic wave decreases, its frequency increases.

Front

Which type of electromagnetic wave is used in microwave ovens?

Back

Microwaves are used in microwave ovens to heat food.

Front

What type of electromagnetic wave is used for medical imaging?

Back

X-rays are used for medical imaging to view the inside of the body.

Front

What type of electromagnetic wave has the highest frequency?

Back

Gamma rays have the highest frequency in the electromagnetic spectrum.

Front

What is the main source of electromagnetic waves?

Back

Electromagnetic waves are primarily produced by the movement of charged particles.