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