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.
Which property of a wave does not change as a result of refraction?
Frequency, f
Wavelength, λ
Wave speed in the medium, v
Amplitude, A
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?
Reflected ray
Refracted ray
Transmitted ray
Incident ray
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 |
When does diffraction occur?
In all waves
In soundwaves only
In transverse waves only
In light waves only
Which image shows the correct ray diagram for light passing from air into water?
The diagram shows a wave approaching an aperture.
Which diagram correctly shows the resulting diffraction pattern for the wave?
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 |
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
1
λ
2λ
2λ
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 |
