Electromagnetic Waves

What is an example of a radio wave?

• Vision

• Television

• Heat lamp

• Sunlight

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

• X-rays

• Infrared waves

• Gamma rays

• Radio waves

Electromagnetic waves vary in...

• The way they reflect.

• The speed they travel in a vacuum.

• Wavelength and frequency.

• The orientation of their electric and magnetic fields.

The visible light spectrum ranges between...

• ultraviolet rays and gamma rays

• television waves and infrared rays

• infrared rays and ultraviolet rays

• radar waves and x-rays

X-ray photographs show softer tissues...

• as dark, highly exposed areas.

• as bright white areas.

• as invisible.

• the same as dense bones.

What is the electromagnetic spectrum?

• The rainbow

• The full range of wave frequencies of electromagnetic radiation which is called the electromagnetic spectrum

Light acts as...

• a wave

• both a wave and a particle

• a particle

• neither a wave or a particle

Cellular phones utilize...

• microwaves

• radar waves

• very high frequency waves

• very low frequency waves

Light in the form of a particle that has a discrete amount of energy is called a...

• photon

• atom

• muon

• charm

Infrared rays have a shorter wavelength than...

• radio waves

• gamma rays

• X-rays

• Ultraviolet rays