Front

What are X-rays used for?

Back

X-rays are used by doctors to form images of bones and internal organs.

Front

What type of waves help our bodies produce vitamin D?

Back

Ultraviolet Rays help our bodies produce vitamin D to keep our bones and teeth healthy.

Front

Which waves have the shortest wavelength and highest frequency?

Back

Gamma Rays have the shortest wavelength and highest frequency.

Front

What type of waves are electromagnetic waves?

Back

Electromagnetic waves are transverse waves.

Front

What type of waves are used for cooking food?

Back

Microwaves are used for cooking food.

Front

Define electromagnetic waves.

Back

Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields.

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 (or about 186,282 miles per second).

Front

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

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases, and vice versa.

Front

What are the different types of electromagnetic waves in order of increasing frequency?

Back

The types of electromagnetic waves in order of increasing frequency are Radio Waves, Microwaves, Infrared Waves, Visible Light, Ultraviolet Rays, X-rays, and Gamma Rays.

Front

What is the visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye, ranging from approximately 400 nm (violet) to 700 nm (red).