Show:
Waves on Waves
Shed some Light
Color me Happy
Light Bulb
Lighten up
100
DOUBLE JEOPARDY! To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its ___________.
What is wavelength?
100
In 1926, Michelson was able to measure the speed of light using this device.
What are mirrors?
100
These are the three primary colors of light.
What are red, blue, and green?
100
Light is produced when _________ change energy levels in an atom.
What are electrons?
100
Warm objects give off more __________ radiation than cool objects give off.
What is infrared?
200
Electromagnetic waves vary in ___________ and ___________.
What is wavelength and frequency?
200
DOUBLE JEOPARDY! Light acts like these two things.
What is a wave and a particle?
200
These are the three primary colors of pigments, which combine to produce black.
What are cyan, magenta, and yellow?
200
The speed of light in a vacuum is ____________.
What is 3.00 x 10^8
200
DOUBLE JEOPARDY! Objects that scatter some of the light that is transmitted through them are _______.
What is translucent?
300
Infrared waves have a shorter WL than this type of wave (ultraviolet, x-rays, radar, gamma)
What is radar?
300
Because light travels in a straight line and casts a shadow, Newton hypothesized that light is this.
What is a steam of particles?
300
DOUBLE JEOPARDY! To form white light, two colors must combine that are this.
What is complementary?
300
Which kind of light is used to carry info. through optic fibers?
What is laser?
300
When viewed in red light, an object that reflects all of the colors of light will appear ____________.
What is red?
400
The visible light spectrum ranges between these two types of rays.
What are infrared rays and ultraviolet rays?
400
When droplets of water in the atmosphere act like prisms, the colors in the sunlight undergo this.
What is dispersion?
400
A green object does what?
What is reflects green light?
400
Light whose waves all have the same WL, direction, and coincidental peaks is called this.
What is coherent light?
400
Combining equal amounts of the three primary pigments produces this.
What is black?
500
An EW in a vacuum has a WL of 0.032 m. What is its frequency? (Hint: f = _____ x ____ Hz)
What is f = 9.38 x 10^9 Hz
500
Polarized sunglasses work by doing this.
What is blocking light waves that vibrate in one plane.
500
An object that produces its own light is ________. The sun is an example.
What is luminous?
500
A fluorescent light bulb usually contains this type of vapor.
What is mercury?
500
This type of light is emitted when excited atoms of a solid, liquid, or gas emit photons.
What is laser?