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