Wave Properties
Review
Color
Polarization and Refraction
Light Properties
Grab Bag and Calculation
100
What is the highest point on a wave
What is the crest?
100
The three primary colors of light
What are red, green, and blue
100
An example of how polarized lenses are used in everyday life.
Polarized sunglasses, 3d movies
100
Which is faster, light or sound?
Light
100
300,000,000 m/s
What is the speed of light?
200
The distance from crest to crest
What is the wavelength?
200
The three secondary colors of light.
What are Cyan, Magenta, and Yellow?
200
Unpolarized light that passes through a polarized filter vibrates in a direction ________________ to the filter
What is the same as?
200
Which has a longer wavelength, radio waves or X-rays
Radio waves
200
The color that humans see most easily.
What is a yellow-green?
300
The distance from the midpoint of a wave to the crest, or how high or low the wave propagates.
What is the amplitude?
300
Red, Green, and Blue light combined make this color.
What is white?
300
When two polarized filters have their axes aligned, light ____________________
What is is transmitted or passes through.
300
Which has more energy, radio waves or gamma rays?
Gamma rays.
300
If a wave has a frequency of 300 Hz, what is it's period?
What is 1/300 s?
400
A wave that oscillates perpendicular to the direction the wave moves
What is a transverse wave?
400
Red and Blue light combined make this color.
What is magenta?
400
When two polarized lenses are crossed at right angles, light _______________________
What is is not transmitted, or is blocked?
400
A white shirt will ________________ all light
What is reflect?
400
Light travels at 300,000,000 m/s. If red light has a frequency of 4×10^14, what is the wavelength of red light?
7.5x 10^-7 or .000 000 75
500
How many complete wave cycles in one second
What is the frequency?
500
The complementary color of blue
What is yellow?
500
When does refraction occur?
When light changes the medium it passes through (air into water)
500
The light that is reflected off of a green shirt.
What is green light?
500
Light travels at 300 000 000 m/sec. How long does it take light to get from the sun to the earth if the sun-earth distance is 1.496x10^11m
What is 499 seconds, or 8.3 minutes
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