Electromagnetic Spectrum

Front

What are Infrared Rays used for?

Back

Infrared Rays are used in devices such as heat lamps and TV remote controls.

Front

What are Microwaves used for?

Back

Microwaves are used in ovens and cell phone communications.

Front

How do electromagnetic waves differ from other types of waves?

Back

Electromagnetic waves can travel through empty space.

Front

What happens to the energy of an electromagnetic wave as its frequency increases?

Back

The energy of the wave increases.

Front

What type of waves are used in broadcasting?

Back

Radio waves are used in broadcasting.

Front

Define 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 wavelength and frequency in electromagnetic waves?

Back

As the wavelength increases, the frequency decreases, and vice versa.

Front

What are the characteristics of Gamma Rays?

Back

Gamma rays have the highest frequency and energy in the electromagnetic spectrum and can penetrate most materials.

Front

What are Ultraviolet Rays used for?

Back

Ultraviolet rays are used in sterilization and can cause sunburn.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (the speed of light).