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

Which electromagnetic waves have the highest frequencies?

Back

Gamma rays have the highest frequencies and the shortest wavelengths in the electromagnetic spectrum.

Front

What are microwaves used for?

Back

Microwaves are used in ovens for cooking food and in cell phone communications.

Front

What type of electromagnetic waves help the body produce vitamin D?

Back

Ultraviolet rays help the body produce vitamin D.

Front

What frequency range do microwaves fall into?

Back

Microwaves typically have frequencies ranging from 300 MHz (0.3 GHz) to 300 GHz.

Front

What are X-rays used for?

Back

X-rays are used in medical imaging to diagnose and treat various conditions.

Front

What is the wavelength range of visible light?

Back

Visible light has wavelengths ranging from approximately 400 nm (violet) to 700 nm (red).

Front

What are infrared rays?

Back

Infrared rays are electromagnetic waves with wavelengths longer than visible light, used in heat sensing and remote controls.

Front

How do gamma rays affect human health?

Back

Gamma rays can be harmful to human health, but they are also used in cancer treatment to target and kill cancer cells.

Front

What is the role of ultraviolet rays in skin health?

Back

Ultraviolet rays can cause skin damage and increase the risk of skin cancer, but they also help in vitamin D synthesis.