QUIZ: Waves Intro

What is white light?

• the type of light that is found in x-rays
• the type of light given off by the sun and light bulbs
• the type of light that is used in microwave ovens
• the type of light that makes up radio waves

What can you use to see all the different colors in white light?

• a flashlight
• a shadow
• a camera
• a prism

What is a pigment?

• the entire range of light, including visibile and invisible light
• a special chemical that absorbs some colors and reflects others
• the tool you need to see the spectrum of colors in white light
• the shadow that is formed on a wall when light is blocked

What type of wavelengths do ultraviolet rays have?

• short
• long
• alternating short and long
• none

What color is an object that absorbs all the colors in the light spectrum?

• a rainbow
• white
• black
• invisible

A leaf is green. What does this tell you about the light that is being absorbed?

• The light is a UV ray.
• The light is not part of the light spectrum.
• All colors reflected except green.
• All colors are absorbed except green.

The number of waves that pass a fixed point in a given amount of time is _______________________.

• frequency
• speed
• wavelength
• medium

______________________ transfers energy from one place to another.

• Potential energy
• Kinetic energy
• Electromagnetic waves
• Mechanical waves

TRUE or FALSE: All electromagnetic waves travel through space (or a vacuum) at the speed of sound.

• True
• False

EM waves are transverse. What does this mean?