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

List the electromagnetic waves in order of increasing wavelength.

Back

Gamma rays, X-rays, ultraviolet rays, visible light, infrared rays, microwaves, radio waves.

Front

Which section of the electromagnetic spectrum is visible to the human eye?

Back

Visible Light.

Front

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

Back

The energy of the wave increases.

Front

Which electromagnetic wave has the shortest wavelength?

Back

Gamma Rays.

Front

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

Back

As frequency increases, wavelength decreases.

Front

Define frequency in the context of electromagnetic waves.

Back

Frequency is the number of waves that pass a given point in one second, measured in hertz (Hz).

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves.

Front

What is the primary source of ultraviolet radiation?

Back

The Sun.

Front

How do X-rays penetrate materials?

Back

X-rays have high energy and short wavelengths, allowing them to penetrate soft tissues and some materials.