Define light
if the angle of incidence is 15deg, the angle of reflection would be:
15deg
Draw a concave surface

What is the term for the highest point of a wave?
crest
What number does not belong? 1, 3, 5, 7, 9
9 (only number that is not prime)
Define translucent
a medium that allows 1%-80% of light to pass through
what is the term for the surface that light bounces off of in a reflection diagram?
reflective surface
What type of mirror will result in an enlarged image?
concave
What is the term for the distance from one trough to the next trough?
wave length
What has hands but cannot clap and a face but cannot smile?
a clock
What is phosphorescence
a material that absorbs uv light and slowly releases it (glow in the dark)
What is the name of the imaginary line that splits the incident and reflection called?![]()
normal line
how do concave/convex mirrors differ from lenses?
they are opposite
What is the term for the distance between the crest and the trough?
wave height
2 fathers and 2 sons go fishing. 3 fish are caught, enough for one each. How is this possible?
3 generations: grandpa, dad, son
What is incandescent
light generated by heating something up to the point that it glows
A surface that scatters the light that is reflected is known as what type of reflection?
diffuse
What is used to enlarge the image in a reflecting telescope?
convex lens
Define frequency
amount of waves in a given amount of time
A baseball bat and ball cost $1.10, the bat is $1.00 more than the ball. What do each item cost?
bat = $1.05
ball = $0.05
define refraction
the change in speed of light based on the density of the medium it is passing through resulting in the bending of light
What is the term used to describe the light coming from the illumination source?
incident ray
What happens to an image when it is located beyond the focal point?
inverted and smaller
Define amplitude
the distance from the resting position to the crest of a wave
What number comes next?
2, 6, 12, 20, 30, ___
42
2+4=6, 6+6+12, 12+8=20, 20+10=30, 30+12=42