Electromagnetic Spectrum

Infrared rays have a shorter wavelength than...

• Ultraviolet ray.

• X-rays.gamma rays

• radio waves.

The waves with the longest wavelengths in the electromagnetic spectrum are...

• microwaves

• Gamma

• Radio

What is the difference between Electromagnetic Waves and Mechanical Waves?

• Electromagnetic waves have very short wavelengths

• Electromagnetic waves transmit energy instead of matter

• Electromagnetic waves can travel through the vacuum of space (without particles)

• Electromagnetic waves can change direction by reflection

Select the correct order of waves on the electromagnetic spectrum from low to high energy

• Radio, Microwaves, Infrared, Visible Light, Ultraviolet, X-ray, Gamma

• Gamma, X-ray, Ultraviolet, Visible Light, Infrared, Microwave, Radio

• Visible Light, Microwave, Infrared, Ultraviolet, X-ray, Gamma, Radio

• Microwave, Radio, Visible Light, Infrared, Ultraviolet, X-ray, Gamma

The number of waves that pass in a certain amount of time is called______________.

• Wavelength

• Frequency

• Amplitude

• Trough

Light acts like __________________.

• a wave

• a particle

• Both a wave and a particle

• Neither.

The full range of frequencies of electromagnetic radiation is called___________________.

• visible light.

• radio waves.

• the electromagnetic spectrum.

• invisible radiation.

Which is an example of a radio wave?

• television

• heat lamp

• vision

• sun light

Which of the following lists the electromagnetic waves in order of increasing wavelength?

• X-rays, visible light, radio waves

• gamma rays, radio waves, UV rays

• infrared rays, radio waves, x-rays

What is Visible Light?

• The highest energy wave in the Electromagnetic Spectrum

• The lowest energy wave in the Electromagnetic Spectrum.

• The only wave that is visible to the human eye.