Electromagnetic Spectrum

Front

What are the different types of electromagnetic waves in the electromagnetic spectrum?

Back

The electromagnetic spectrum includes radio waves, microwaves, infrared radiation, visible light, ultraviolet rays, x-rays, and gamma rays.

Front

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

Back

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

Front

Which type of electromagnetic wave is used for medical imaging to detect broken bones?

Back

X-rays are used for medical imaging to detect broken bones.

Front

What type of electromagnetic radiation is responsible for helping the body produce vitamin D?

Back

Ultraviolet rays help the body produce vitamin D.

Front

Which electromagnetic waves have the longest wavelength and the lowest frequency?

Back

Radio waves have the longest wavelength and the lowest frequency.

Front

What type of electromagnetic waves are commonly used in microwave ovens?

Back

Microwaves are commonly used in microwave ovens.

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 visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye, typically ranging from wavelengths of about 400 nm (violet) to 700 nm (red).

Front

How do infrared waves affect thermal energy?

Back

Infrared waves are associated with heat; they transfer thermal energy and are emitted by warm objects.

Front

What is the primary use of gamma rays in medicine?

Back

Gamma rays are primarily used in medical imaging and cancer treatment.