Which phrase correctly completes the following sentence?
In a ray diagram showing reflection, the angle of incidence is the angle between
the incident ray and the boundary surface.
the incident ray and the normal.
the incident ray and the reflected ray.
the reflected ray and the boundary surface.
Choose your answer A B C D
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Which property of a wave does not change as a result of refraction?
Wave speed in the medium, v
Choose your answer A B C D
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Ray diagrams can be used to show the reflection, refraction and transmission of light at the boundary between media.
In the diagram, what feature does X represent?
Choose your answer A B C D
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A monochromatic laser beam is shone into the surface of a tank filled with water. The effects on the laser beam due to the water are observed.
How will the properties of the light be affected by the water?
speed
wavelength
frequency
A
no change
increases
decreases
B
decreases
decreases
no change
C
increases
decreases
no change
D
decreases
no change
increases
Choose your answer A B C D
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When does diffraction occur?
Choose your answer A B C D
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Which image shows the correct ray diagram for light passing from air into water?
Choose your answer A B C D
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The diagram shows a wave approaching an aperture.
Which diagram correctly shows the resulting diffraction pattern for the wave?
Choose your answer A B C D
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Which row correctly describes the conditions for constructive and destructive interference in a double-slit diffraction pattern?
Constructive
Destructive
A.
Crest + crest
Trough + trough
B.
Crest + trough
Trough + trough
C.
Trough + trough
Crest + crest
D.
Crest + crest
Crest + trough
Choose your answer A B C D
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The diagram shows two waves. One wave is emitted from source s1 and travels to point P. The other wave is emitted from source s2 and travels to point P.
What is the path difference between the waves?
1λ
2λ
Choose your answer A B C D
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The double-slit equation describes the relationship between the separation distance of the fringes on the screen, s , the distance between the screen and the slits, D , the separation of the slits, d , and the wavelength, λ, of the light.
s =
Which line gives the correct units for the quantities?
s
D
λ
d
A.
m
m
m
m
B.
m−1
m
m s−1
m
C.
m
m s−1
m
m−1
D.
m2
m−1
m
m
Choose your answer A B C D
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