Pasuit Electromagnetic Spectrum

Front

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

Back

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

Front

What is the primary use of radio waves?

Back

Radio waves are primarily used for broadcasting audio and video signals.

Front

How do x-rays work in medical imaging?

Back

X-rays penetrate soft tissues but are absorbed by denser materials like bones, allowing doctors to see broken bones in imaging.

Front

What is the role of ultraviolet rays in human health?

Back

Ultraviolet rays help the body produce vitamin D, which is essential for bone health.

Front

What are infrared rays commonly used for?

Back

Infrared rays are used in heat lamps and remote controls for televisions and other devices.

Front

What portion of the electromagnetic spectrum is visible light?

Back

Visible light makes up only a small portion of the electromagnetic spectrum.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Electromagnetic waves travel at the speed of light, approximately 299,792 kilometers per second (186,282 miles per second) in a vacuum.

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 microwaves used for?

Back

Microwaves are used for cooking food, in radar technology, and in communication systems.

Front

What is the significance of the visible spectrum?

Back

The visible spectrum is the range of electromagnetic waves that can be detected by the human eye, allowing us to see colors.