What the light ray is called once it reflects off a mirror
What is the reflected ray
100
True or False: The angle of incidence of a light ray is equal to the angle of refraction
What is false.
100
Focuses light
What is lens and lens.
100
Light rays travel in...
What is straight lines.
100
In which medium would light travel the slowest: space, air or water?
What is water.
200
The light ray that first hits the mirror
What is the incident ray
200
When light enters a new medium this change causes the light to bend.
What is the speed of the light slows down
200
Allows light to enter
What is pupil and aperature
200
Pythagorus' theory on how we see
What is that light rays came out of your eyes in beams.
200
True or False: The image that is projected onto your retina is right-side up
What is false
300
If the angle of incidence is 54 degrees, the angle of reflection will be...
What is 54 degrees.
300
On a hot day light rays entering air at a different temperature will produce this 'image'.
What is a mirage.
300
Adjusts how much light enters the camera
What is iris and diaphragm
300
What is an optical device? (Double points if you give an example too.)
What is any device that uses or manipulates light - mirror, telescope, microscope, glasses, binoculars, night vision goggles, periscope, magnifying lens
300
This source of light comes from chemical reactions that occur within a living organism
What is bioluminescence.
400
In order for an image to appear on a surface, the surface must be what?
What is smooth/reflective.
400
When a ray of light enters a convex lens, what direction do we expect the exiting rays to bend?
To converge towards the focal point
400
Captures the image
What is retina and film
400
Material that does not let any light pass through it
What is opaque material.
400
The imaginary line that extends up 90 degrees from the surface of an object
What is the normal line.
500
The Law of Reflection states that these two things are equal.
What is the Angle of Incidence and the Angle of Reflection.
500
When light enters a denser medium, will it bend toward or away from the normal line?
What is toward the normal line.
500
The digital camera equivalent of film or retina.
The light sensor.
500
The individual units that make up compound eyes.
What are ommatidia.
500
The four properties of light
What is 1. travels in straight lines, 2. can bend, 3. can be reflected, and 4. is a form of energy.