Light Waves

Light must be _______________ in order for the material to be affected by light.

• reflected

• penetrated

• absorbed

• surrounded

When a material allows light to pass through it,

• the material reflects the light and changes

• the material absorbs the light and doesn't change

• the material transmits the light and doesn't change

• material transmits the light and changes

How are we able to perceive an object as being the color white?

• All colors of visible light are absorbed by an object and then reflected into our eye.

• All colors of visible light are reflected off an object and then to our eye.

• All colors of visible light are absorbed by an object and no light is being reflected into our eye.

Which wave has the greatest amplitude?

• The blue wave
• The red wave

the distance from one peak of a wave to the next

• frequency

• wave

• wavelength

• amplitude

Which of the following is true about waves?

• When wavelength increases frequency increases
• When wavelength decreases, frequency increases
• When wavelength decreases, frequency decreases

In order to see an object, light must be

• transmitted into your skin

• reflected off the object and into your eyes

• reflected off the object then off the ground then into your eyes

• absorbed by your genetic material

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