Mirrors
This mirror makes things appear smaller.
Convex mirror
a lens that is thin in the middle and thick on the end.
Concave
what is reflection
when light bounces off an object
what is refraction
When a wave bends after it enters a different material.
what is a focal point
The point where all the rays meet
A _________ mirror curves inward.
Concave Mirror
example of a concave lens
lights,flashlights,laser
define Angle of Incidence
Angle between a reflected wave and the normal
what object would make a light refract the most a flat object or a rounded object
Rounded
define law of refraction
Part of the wave is transmitted, while part is reflected.
what is the focal length
The distance from the center of the curved mirror and its focus point
Example of a convex lens
cameras, microscopes, magnifying glass
what is the law of reflection
The angle of incidence equals the angle of reflection.
what happens when light is refracted?
It bends
lenses are either
concave or convex
mirror that makes an image look zoomed out or far away
Convex mirror
A __________ lens focuses light rays at a focal point.
Convex lenses
T or F
reflected light is not converted int another form of energy.
True
light travels faster through this material than through matter
Vacuum
calculate the speed of light for a diamond.(n=2.42)
v=1.23x10^8 m/s
What types of mirrors produce virtual images?
Flat, Concave, Convex
What is the difference between a real image and a virtual image?
real images = light rays converge and pass through
virtual images= light rays do not converge
what refracts more higher frequency light or lower frequency light.
Higher because it has shorter wavelengths
why does a straw look bent in a glass of water?
the light at the top of the straw travels to our eyes where the bottom is refracted.
an action figure is placed 10in from a concave mirror with a 5in focal point
what is the location of the image? (di)
di = 10in