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