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JeopardyJeopardyJeopardyJeopardyPHY101
Chapter 9 Review
Study of Optics
Cheryl Dellai
Study of OpticsPhotons
Reflection &
RefractionMirrors Lenses Effects Potpourri
$100 $100 $100 $100 $100 $100
$200 $200 $200 $200 $200 $200
$300 $300 $300 $300 $300 $300
$400 $400 $400 $400 $400 $400
Photons $100
What is a photon?
ANSWER
ANSWER
Photons $200
What is the energy of a photon?
ANSWER
Photons $300
What can happen to a photon as it moved from one medium to another.
ANSWER
Photons $400
What is the index of refraction?
Reflection & Refraction $100
ANSWER
State the Law of Reflection.
ANSWER
State the Law of Refraction.
Reflection & Refraction
$200
ANSWER
Reflection & Refraction
$300
Why are optical fibers important for communication?
Reflection & Refraction$400
ANSWER
Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of __________.
Mirrors $100
ANSWER
The direction of light is _____?
Mirrors $200
ANSWER
Name 3 types of mirrors
Mirrors $300
ANSWER
What is the mirror equation?
Mirrors$400
ANSWER
What is the magnification equation?
Lenses $100
ANSWER
Choose the lens having the shortest focal length.
Lenses $200
ANSWER
What is a Diopter?
Lenses $300
ANSWER
What is the thin lens equation?
Lenses $400
ANSWER
A person looking through eyeglasses sees ________ & _________ images.
Effects $100
ANSWER
Liquid crystal displays make use of __________.
Effects $200
ANSWER
Light spreads out when it passes through a narrow slit because of __________.
Effects $300
ANSWER
When light passes through two or more narrow slits, an alternating dark and bright pattern is observed on a screen because of _________.
Effects $400
ANSWER
The sky is blue because of ________.
Potpourri $100
ANSWER
Optical fibers work because of _______.
Potpourri $200
ANSWER
You see colors in a rainbow because of _________.
Potpourri $300
ANSWER
A ________ lens is used to compensate for hyperopia (farsighted).
Potpourri $400
ANSWER
When myopia (nearsighted) is corrected surgically, the shape of the ________ is changed.
Photons$100
Answer
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What is a photon?A photon is a wave packet of light.
Photons$200
Answer
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What is the energy of a photon?Energy = hf
Planck’s Constant h = 6.63*10-34 J*s
Photons$300
Answer
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What can happen to a photon as it moved from one medium to another.
AbsorbedReflectedRefracted
Photons$400
Answer
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What is the index of refraction?n = c/v
Reflection & Refraction$100
Answer
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State the Law of Reflection.Angle in = Angle out wrt to the normal normal
Reflection & Refraction$200
Answer
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State the Law of Refraction.n1sin1 = n2sin2
Reflection & Refraction$300
Answer
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Why are optical fibers important for communication?
They can carry thousands of times the information that wires can.
This is the result of internal refraction.
Reflection & Refraction$400
Answer
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Certain types of sunglasses are very effective at diminishing light reflected from surfaces because of polarization.
Mirrors $100
Answer
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The direction of light is positive?
Mirrors $200
Answer
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Name 3 types of mirrors
Flat R = infinityConcave R = +Convex R = -
Mirrors $300
Answer
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What is the mirror equation?
s-1 + p-1 = 2/R = f-1 s = source p= projection
Mirrors $400
Answer
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What is the magnification equation? s = source p= projection
Lenses $100
Answer
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Choose the lens having the shortest focal length. A The thickest in the middle has the shortest focal length. These are all positive (converging) lenses
Lenses $200
Answer
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What is a Diopter?DO =1/f where f is in meters
Lenses $300
Answer
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What is the thin lens equation? s-1 + p-1 = f-1 =(n2/n1 -1)*(1/R1 – 1/R2) s = source p= projection
Lenses $400
Answer
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A person looking through eyeglasses sees virtual & erect images.
Effects $100
Answer
Back to Jeopardy
Liquid crystal displays make use of polarization.
Effects $200
Answer
Back to Jeopardy
Light spreads out when it passes through a narrow slit because of diffraction .
Effects $300
Answer
Back to Jeopardy
When light passes through two or more narrow slits, an alternating dark and bright pattern is observed on a screen because of interference.
Effects $400
Answer
Back to Jeopardy
The sky is blue because of scattering .
Potpourri $100Answer
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Optical fibers work because of total internal reflection.
Potpourri $200Answer
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You see colors in a rainbow because of dispersion.
Potpourri $300Answer
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A converging lens is used to compensate for hyperopia (farsighted).
Potpourri $400Answer
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When myopia (nearsighted) is corrected surgically, the shape of the cornea is changed.
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