Light Waves

The wave of energy we can see is ___________

• visible light

• radio waves

• microwaves

• x-rays

What color of the rainbow has the longest wavelength?

• red

• blue

• green

• violet

A _________ object does not allow light to pass through it.

• opaque

• translucent

• light

• prism

Which of the following is not an example of a mechanical wave?

• Light wave

• Sound wave

• Water wave

• Seismic wave

What type of wave is a light wave?

• A sound wave

• A seismic wave

• A electromagnetic wave

• A mechanical wave

Why is a light wave not considered a mechanical wave?

• A light wave is visible to humans.

• A light wave moves faster than most waves.

• A light wave does not have a wavelength.

• A light wave travels through the vacuum of space.

Which of the following are not a part of the Electromagnetic Spectrum?

• Gamma Rays

• Radio waves

• Magnetic waves

• x-rays

Gamma Rays are

• High energy

• Low energy

• Medium energy

• Just right

Based on your observations of the prism, select the true statements.

• When light travels through a prism, the light is separated by wavelength.

• Humans see the different wavelengths of visible light as different colors.

• The prism is being used to combine different colors of light.

• The light bends when it enters the prism and again when it leaves the prism.

Why does this car appears red under a white light?

• The car is absorbing the red light and reflecting the blue and green.

• The car is reflecting only the red light while absorbing the blue and green.

• The car is absorbing the red and green light while reflecting the blue.

• The car is absorbing the red, blue and green, but our eyes can only see the red.