Download Jeopardy Review (PowerPoint) - Naperville Community Unit

Welcome to Optics
JEOPARDY
Special topics
Reflection
Mirrors
refraction
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Lens
Final Jeopardy Question
Reflection
100 pts
What is the angle of reflection of the following diagram?
40
Back
Reflection
100 pts
Answer
50 degrees
Back
reflection
200 pts
Where is an image formed from
distant light that is reflected off
a concave mirror with a center
of curvature of 300 cm ?
Back
Reflection
200 pts
150 cm
Back
Reflection
300 pts
What kind of image is formed
from a convex mirror?
Back
Reflection
300 pts
Virtual, upright and smaller
Back
Reflection
400pts
How tall must a plane mirror be
for a complete image of a six
foot man to form?
Back
Reflection
400 pts
Answer
Three feet, ½ half the
size of the object
Back
Reflection 500 pts
What is the center of
curvature of a
concave mirror with a
focal length of 4 cm?
Back
Reflection
500pts
Answer
8 cm
Back
Mirrors
100pt
An object is located 5 m
in front of a plane
mirror. Where does the
image appears to be ?
Back
Mirrors
100 pts
5 m behind
the mirror
Back
Mirrors
200 pts
Describe the image formed from an
object located between the
focal point and center of curvature
of a concave mirror
Back
Mirrors
200pts
Answer
Real, inverted, and magnified
located beyond C
Back
Mirrors
300pts
Describe the image of an object that is
located between a concave mirror and
its focal length.
Back
Mirrors
300 pts
Virtual, upright, and enlarged
Back
Mirrors
400 pts
Where must you stand in front of
a concave mirror to get an
inverted image the same size as
you?
Back
Mirrors
400 pts
Answer
At the center of curvature
Back
Mirrors
500 pts
What kind of image will an object
located at the focal length form?
Back
Energy
500 pts
Answer
No image will form
Back
Refraction
100 pts
Lucite has an index of
refraction of 1.50. How fast
will light travel through it?
Back
Refraction
100 pts
Answer
2x10^8 m/s
Back
refraction
200pts
A light ray in air is incident on an air to glass
interface at an angle of 45o and is refracted at an
angle of 30 o to the normal. What is the index of
refraction for the glass?
Back
Refraction
200pts
Answer
1.41
Back
Refraction
300pts
For all transparent materials,
the index of refraction is ___
Back
Refraction
300pts
Answer
Greater than one
Back
Refraction
400 pts
What happens to the speed of
light as it moves into a denser
medium?
Back
Refraction
400 pts
Answer
It slows down
Back
Refraction
500 pts
The critical angle for a substance is
measured at 60o. Light enters from air
at 40.0o. At what angle will it continue?
Back
Refraction
500 pts
Answer
25.4 degrees
Back
Lens
100 pts
Describe the path of a light ray passing
through the focal point on the left hand
side of a convex lens.
Back
Lens
100 pts
Answer
It will pass through the lens and
bend parallel to the optical axis.
Back
Lens
200 pts
An 5 cm object is placed 10 cm from
a convex lens with a 5 cm focal point.
What is the height and location of the image
Back
Lens
200 pts
Answer
The object will be 5 cm below the
Optical axis at 10 cm on the opposite
Side of the lens.
Back
Conservation of energy
300 pts
Describe the path of Light
traveling parallel to the
optical axis as it enters a
convex lens.
Back
Lens
300 pts
Answer
It passes through the focal point on the
Opposite side of the lens
Back
Lens
400 pts
Images formed by
concave lenses form
what type of images?
Back
Lens
400 pts
Answer
Upright, virtual, and smaller
Back
Lens
500 pts
An object is 15mm in front of a
converging lens, and the image
is 4.0mm behind the lens.
What is the focal length of the
lens?
Back
Lens
500 pts
Answer
3.2mm
Back
Special Reports
100 pts
What phenomenon
causes rainbows?
Back
Special reports
100 pts
Answer
Total internal
reflection
Back
Special reports
200 pts
In an optical fiber, the
index of refraction of the
core is ______ that of the
outer layer.
Back
Special Reports
200 pts
Answer
Greater than
Back
Special Reports
300 pts
Nearsightedness can
be corrected by using
Back
Special reports
300 pts
Answer
Concave lens (diverging)
Back
Special Reports
400 pts
What type of images are formed from
the eye?
Back
Special Reports
400 pts
Answer
Real,
inverted
Back
Special reports
500 pts
What causes mirages?
Back
Special Reports
500 pts
Answer
Mirages are caused from light bending
as it enters an air mass of different
temperatures. Light bends toward the
normal as it goes from hot to cold air, and
away from the normal as it goes from cold
to hot air.
Back
Final Jeopardy
What color is reflected
when blue, red and
green light is mixed
together.?
Back
Final Jeopardy Answer
White light
Back