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Test your basic knowledge |
CSET Science: Optics And Waves I
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Subjects
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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. An oscillation of electric and magnetic fields that may propagate through a vacuum or through a medium
Antinode
Beats
Constructive Interference
Electromagnetic Waves
2. Media for a mixture of transverse and longitudinal waves
Relationship between the amplitude and energy in a wave
Transverse Wave
Fluid media
Wave Crest
3. The opposite of compression; the spreading out of particles in the medium of a longitudinal wave.
Dispersion
Rarefaction
Medium
High density = slow speed
4. The reflection of light primarily in one direction - as from a mirror.
Boundary Condition
Constructive Interference
Specular Reflection
Relationship between wave speed - frequency and wavelength
5. Range of frequencies Humans can hear
High elasticity = fast speed
Normal
Standing Wave
20 Hz to 20000 Hz
6. The relationship between sound speed and medium elasticity
High elasticity = fast speed
Relationship between the amplitude and energy in a wave
Reflection
Incident Light
7. A wave in which the motion of particles in the medium is at right angles to the motion of the wave itself.
Medium
Solid media
Longitudinal Wave
Transverse Wave
8. The energy in a wave is proportional to the square of the amplitude
Relationship between the amplitude and energy in a wave
Dispersion
High density = slow speed
High temperature = fast speed
9. The displacement of the medium at any given point is the sum of the displacements of each wave.
Node
The Principle of Superposition (waves)
Optic Nerve
High temperature = fast speed
10. The angle of incidence is equal to the angle of reflection.
340 m/s
Optic Nerve
The Law of Reflection
Longitudinal Wave
11. Interference in time
Refraction
Snell's law
Antinode
Beats
12. The change in direction of a propagating wave (light or sound) when passing from one medium to another
Destructive Interference
Normal
Elastic
Refraction
13. The relationship between sound speed and medium density
High density = slow speed
Dispersion
High elasticity = fast speed
Constructive Interference
14. Arriving or incoming. An incident ray of light may give rise to a reflected ray and a refracted ray.
Antinode
Incident Light
Free - end boundary condition
Wave Crest
15. Range of wavelengths humans can see
400 nm to 760 nm
The Principle of Superposition (waves)
Node
340 m/s
16. The point of maximum amplitude on a standing wave
Node
Antinode
Optic Nerve
Fluid media
17. Reflection of light in many directions by a rough surface. Also called scattering.
Boundary Condition
Diffuse Reflection
Antinode
Compression Waves
18. 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.
Fixed - end boundary condition
Progressive Wave
Destructive Interference
Relationship between the amplitude and energy in a wave
19. 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.
The Principle of Superposition (waves)
Fixed - end boundary condition
Reflection
Constructive Interference
20. Speed of sound in air
Rarefaction
Shear Waves
340 m/s
Diffuse Reflection
21. Another word for P wave: longitudinal seismic wave
Transverse Wave
Retina
Compression Waves
Relationship between the amplitude and energy in a wave
22. Sin?1/sin?2 = v1/v2 = n2/n1
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23. A transparent outer layer of the eye that covers the iris and pupil. The cornea acts like a lens.
Cornea
The Law of Reflection
Specular Reflection
Destructive Interference
24. The fixed points on a standing wave
Node
Optic Nerve
Refraction
Incident Light
25. A wave that moves along the medium.
Diffuse Reflection
Progressive Wave
Fixed - end boundary condition
Longitudinal Wave
26. The nerve that relays information from the eye to the brain.
Dispersion
Optic Nerve
20 Hz to 20000 Hz
Relationship between the amplitude and energy in a wave
27. A substance that is the means of transmission of a wave.
Optic Nerve
Snell's law
Wave Trough
Medium
28. Boundary in which the end of the wave medium is fixed: not free to move.
High density = slow speed
Transverse Wave
Fixed - end boundary condition
The Law of Reflection
29. The relationship between sound speed and medium temperature
High elasticity = fast speed
Fluid media
High temperature = fast speed
400 nm to 760 nm
30. Media of Pure Transverse Waves
Specular Reflection
Elastic
Diffuse Reflection
Solid media
31. A wave in which the motion of particles in the medium is in the same direction as the motion of the wave.
Longitudinal Wave
Cornea
Wave Crest
Standing Wave
32. Line perpendicular to a surface or boundary.
Normal
Optic Nerve
High temperature = fast speed
Node
33. The dark circular spot in the middle of the iris of the eye. The pupil admits light into the eye.
Destructive Interference
Cornea
Pupil
Medium
34. Another word for an S wave; transverse seismic wave.
Fixed - end boundary condition
Electromagnetic Waves
Mechanical wave
Shear Waves
35. A wave that propagates through a medium as a result of some disturbance.
The Principle of Superposition (waves)
Longitudinal Wave
Mechanical wave
Snell's law
36. Boundary in which the end of the wave medium is free to move in the transverse direction.
Free - end boundary condition
Pupil
Transverse Wave
Cornea
37. The peak or top of a transverse wave or water wave
Wave Crest
Standing Wave
Mechanical wave
Reflection
38. A wave that does not travel; the superposition of two waves traveling in opposite directions
Medium
Standing Wave
Antinode
Progressive Wave
39. The bottom or pit of a transverse wave or water wave.
Shear Waves
Wave Crest
Beats
Wave Trough
40. The conditions existing at a boundary - such as the boundary between two media.
Mechanical wave
Beats
Node
Boundary Condition
41. The return of a wave from a surface.
Reflection
Refraction
Boundary Condition
Medium
42. Speed = wavelength x frequency
Optic Nerve
Relationship between wave speed - frequency and wavelength
Refraction
The Law of Reflection
43. Capable of resuming its former volume or shape after being deformed
Specular Reflection
Elastic
The Law of Reflection
Incident Light
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
Diffuse Reflection
Standing Wave
Specular Reflection
45. The separation of white light into component colors - as happens when white light passes through a prism.
High elasticity = fast speed
Dispersion
High temperature = fast speed
Pupil