Quiz Light, Color and Reflection:

What does it mean to reflect?

• bounce off

• bend

• refract

• energy

Why do we see a GREEN leaf?

• because humans color it that color

• because it absorbs green and reflects all the other colors

• it absorbs every color except for green

What happens when an object is opaque?

• all light is able to pass through

• no light is able to pass through

• some light is able to pass through

• it is black

How does light travel?

• in a wavy path

• in a straight path

• in a zig zag path

What does transparent mean?

• some light is able to pass through

• no light is able to pass through

• all light is able to pass through

Why do we see objects as white?

• They absorb all light

• They reflect all light

• They absorb some light and reflect some light

What happens to blue light when it hits a shirt that appears blue?

• The light is reflected.

• The light is absorbed.

• The light is refracted.

• The light is blocked.

One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?

• 3.00 m/s

• 2.50 m/s

• .75 m/s

• 1.25 m/s

 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

• 500 m/s

• 50 m/s

• 5 m/s

• 0.5 m/s

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s

• 3400 Hz

• 3400 m/s

• 34 Hz