Light Sources
R&R
Waves
Lenses
The Human Eye
100
A simple light source used throughout a household.
What is a light bulb.
100
The process in which light strikes a surface and bounces back off.
What is Reflection.
100
This source gives off one wavelength of coherent light.
What is laser light.
100
Images formed by a convex lens are ________.
What is inverted or upside down.
100
True or false. The dark opening in your eye is known as the pupil.
What is true.
200
A common light source which gives off ultra violet radiation. This bulb has mercury in its components, but its disadvantage is that its expensive to produce and dispose of.
What is a fluorescent source.
200
The line that is perpendicular to the surface at which the incident ray strikes the surface.
What is the normal line.
200
When many wavelengths/frequencies are given off.
What is incoherent light.
200
True or False. Convex lenses are thinner in the middle and wider at the top and bottom bases.
What is false.
200
The diaphragm on a camera, is the same thing as what on the human eye?
What is the iris.
300
Jellyfish are an example of these luminous light sources.
What is bioluminescent.
300
"The angle of reflection equals the angle of incidence."
What is The Law Of Reflection.
300
The highest part of a wave.
What is the crest.
300
When light does not reach the retina, people are classified as this.
What is far-sighted.
300
The liquid that holds the shape of the eye, in front of the iris, and behind the cornea.
What is the aqueous humour.
400
Daily Double!!! Light is a form of ________.
What is energy.
400
You shine a flash light through a piece of tissue paper. Your friend observes the other side of the tissue paper and they notice only some of the light can be seen through it. What is this an example of?
What is translucent material.
400
The lowest part of the wave between the crests.
What is the trough.
400
The first lens which a person looks through when viewing an object through a telescope.
What is the eyepiece lens.
500
A light bulb is an example of what?
What is an artificial light source.
500
When light enters a different density, its direction changes. This new direction of the light is referred to as what?
What is the angle of refraction.
500
Daily Double!!! The unit that frequency is measured in.
What is hertz.
500
Four lenses are lined up in alternating pattern (convex, concave, convex, concave). Will the final image that is being viewed be right-side up, or up-side down?
What is right-side up.
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