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Test your basic knowledge |
CSET Science: Optics And Waves I
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Subjects
:
cset
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science
Instructions:
Answer 45 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A wave that moves along the medium.
Fixed - end boundary condition
Free - end boundary condition
Shear Waves
Progressive Wave
2. Sin?1/sin?2 = v1/v2 = n2/n1
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3. A transparent outer layer of the eye that covers the iris and pupil. The cornea acts like a lens.
High elasticity = fast speed
Cornea
Incident Light
Shear Waves
4. Line perpendicular to a surface or boundary.
Medium
Normal
Rarefaction
Node
5. A substance that is the means of transmission of a wave.
Longitudinal Wave
Specular Reflection
Medium
The Principle of Superposition (waves)
6. Capable of resuming its former volume or shape after being deformed
Elastic
Wave Trough
Beats
Fixed - end boundary condition
7. Another word for P wave: longitudinal seismic wave
High elasticity = fast speed
Compression Waves
High density = slow speed
High temperature = fast speed
8. Speed = wavelength x frequency
Pupil
Longitudinal Wave
Relationship between wave speed - frequency and wavelength
Optic Nerve
9. The separation of white light into component colors - as happens when white light passes through a prism.
Dispersion
Standing Wave
Mechanical wave
400 nm to 760 nm
10. The nerve that relays information from the eye to the brain.
Optic Nerve
Fixed - end boundary condition
Cornea
Reflection
11. A wave in which the motion of particles in the medium is at right angles to the motion of the wave itself.
High temperature = fast speed
Transverse Wave
Cornea
Medium
12. Arriving or incoming. An incident ray of light may give rise to a reflected ray and a refracted ray.
340 m/s
Incident Light
Free - end boundary condition
Relationship between wave speed - frequency and wavelength
13. Boundary in which the end of the wave medium is fixed: not free to move.
Shear Waves
The Principle of Superposition (waves)
Specular Reflection
Fixed - end boundary condition
14. Media for a mixture of transverse and longitudinal waves
Normal
Fluid media
Rarefaction
Cornea
15. An oscillation of electric and magnetic fields that may propagate through a vacuum or through a medium
Electromagnetic Waves
Optic Nerve
Transverse Wave
Elastic
16. The opposite of compression; the spreading out of particles in the medium of a longitudinal wave.
Rarefaction
Optic Nerve
Reflection
Progressive Wave
17. The change in direction of a propagating wave (light or sound) when passing from one medium to another
Free - end boundary condition
Beats
Standing Wave
Refraction
18. Media of Pure Transverse Waves
Mechanical wave
High density = slow speed
Solid media
Incident Light
19. The reflection of light primarily in one direction - as from a mirror.
Specular Reflection
Destructive Interference
Relationship between the amplitude and energy in a wave
340 m/s
20. Another word for an S wave; transverse seismic wave.
Shear Waves
Relationship between wave speed - frequency and wavelength
Solid media
400 nm to 760 nm
21. Speed of sound in air
Solid media
Wave Crest
Constructive Interference
340 m/s
22. A wave that does not travel; the superposition of two waves traveling in opposite directions
Shear Waves
Diffuse Reflection
Standing Wave
Rarefaction
23. The angle of incidence is equal to the angle of reflection.
Relationship between the amplitude and energy in a wave
Transverse Wave
Medium
The Law of Reflection
24. Reflection of light in many directions by a rough surface. Also called scattering.
Fixed - end boundary condition
Wave Trough
Progressive Wave
Diffuse Reflection
25. Boundary in which the end of the wave medium is free to move in the transverse direction.
Relationship between the amplitude and energy in a wave
Reflection
Free - end boundary condition
Refraction
26. The relationship between sound speed and medium density
Longitudinal Wave
Electromagnetic Waves
High density = slow speed
Retina
27. The dark circular spot in the middle of the iris of the eye. The pupil admits light into the eye.
Constructive Interference
Incident Light
Snell's law
Pupil
28. The interaction of two or more waves that displace the medium in the same way. The overlap of the maximum displacement points in each wave creates a maximum total displacement.
Medium
Constructive Interference
Cornea
Shear Waves
29. The energy in a wave is proportional to the square of the amplitude
Node
Relationship between the amplitude and energy in a wave
Beats
Fluid media
30. The displacement of the medium at any given point is the sum of the displacements of each wave.
Incident Light
Fixed - end boundary condition
The Principle of Superposition (waves)
Medium
31. A wave in which the motion of particles in the medium is in the same direction as the motion of the wave.
Fixed - end boundary condition
Longitudinal Wave
High temperature = fast speed
Incident Light
32. Range of frequencies Humans can hear
Cornea
20 Hz to 20000 Hz
Transverse Wave
Free - end boundary condition
33. The peak or top of a transverse wave or water wave
340 m/s
Wave Crest
Standing Wave
Medium
34. The fixed points on a standing wave
Specular Reflection
Node
Elastic
Constructive Interference
35. The relationship between sound speed and medium temperature
Wave Crest
High temperature = fast speed
Wave Trough
Progressive Wave
36. Interference in time
Beats
Refraction
Dispersion
Solid media
37. The conditions existing at a boundary - such as the boundary between two media.
400 nm to 760 nm
Destructive Interference
Boundary Condition
Medium
38. The interaction of two or more waves that displace the medium in the opposite way. The overlap of a positive displacement in one wave and a negative displacement in another may temporarily result in no displacement at all.
Optic Nerve
Mechanical wave
Destructive Interference
High elasticity = fast speed
39. A wave that propagates through a medium as a result of some disturbance.
Mechanical wave
Shear Waves
Antinode
Electromagnetic Waves
40. Range of wavelengths humans can see
The Principle of Superposition (waves)
Transverse Wave
400 nm to 760 nm
High density = slow speed
41. The bottom or pit of a transverse wave or water wave.
Elastic
Standing Wave
The Law of Reflection
Wave Trough
42. The return of a wave from a surface.
High elasticity = fast speed
Compression Waves
Wave Crest
Reflection
43. The point of maximum amplitude on a standing wave
Antinode
The Law of Reflection
Retina
Destructive Interference
44. The smooth curved surface at the back of the eye - where the lens of the eye projects an image. It then converts the light to electrical impulses
Retina
Standing Wave
Diffuse Reflection
Wave Trough
45. The relationship between sound speed and medium elasticity
High elasticity = fast speed
Cornea
Compression Waves
Rarefaction