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