# physics Lab final.txt

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1. Purpose of the Superposition of Waves experiment
To obtain the resultant wave formed by the superposition of two traveling waves
2. Transverse Wave
The wave causes the medium to vibrate in a direction perpendicular to the direction of motion of the wave
3. Longitudinal Wave
The wave cause the medium to vibrate in a direction parallel to the direction of the motion of the wave
4. Baseline
The horizontal line drawn through the wave and represents the undisturbed part of the medium
5. Crest
The highest point on a wave
6. Trough
The lowest point on a wave
7. Wavelength
8. Amplitude
The distance from the baseline to a crest or trough
9. Frequency
Number of waves passing a stationary point per second
10. Period
Time required for one vibration
11. Wave Speed
Distance that the wave travels divided by time to travel that distance
12. Constructive Interference
When the crest of one wave overlaps the crest of another, their individual effects adds together to produce a wave of increased amplitude
13. Destructive Interference
When the crest of one wave overlaps the trough of another, their individual effects cancel to produce a wave of decreased amplitude
14. Purpose of the Vibrating String experiment
To study harmonics and overtones in a vibrating string
15. Harmonic
A partial tone whose frequency is an integer multiple of the fundamental frequency
16. Purpose of the Organ Pipe experiment
To study overtones and harmonics of standing waves in organ pipes
17. Emission Spectrum
Bright lines with dark backgrounds
18. Continuous Spectrum
No breakage between colors
19. Absorption Spectrum
Continues but there is breakage
20. Quantum Mechanics
Assure us that an atom absorbs the same wavelengths of light it would emit if excited
21. Purpose of the Spectra experiment
To observe the spectrum of light emitted from various types of light sources
22. Purpose of the Ray Box Part One experiment
To learn about reflection and refraction of light as well as color addition and color subtraction
23. Law of Reflection
States that when light is incident on a specular reflecting surface, the angle of incidence is equal to the angle of reflection
24. Normal
Line the is perpendicular to the surface of the mirror
25. Superposition Principle
In a situation where more than one wave occupies the same space at the same time, the displacements add at every point
26. Node
Any part of a standing wave the remains stationary; a region of minimal or zero energy
27. Antinode
Any part of a standing wave with maximum displacement and maximum energy
28. Wave Speed
Speed with which waves pass a particular point
29. Nanometer
Metric unit of length that is 10^-9 meter
30. Focal Length
Distance between the center of a lens and either focal point; the distance from a mirror to it's focal point
31. Dependent Variable
The quantity that depends on the independent variable
32. Abscissa
The horizontal axis where the independent variable is always plotted
33. Ordinate
The vertical axis where the dependent variable is plotted
34. Conservation of Linear Momentum
The vector sum of the momenta of the particles before collision is equal to the vector sum of the momenta of the particles after collision
35. Purpose of the Simple Pendulum experiment
To use a simple pendulum to calculate the acceleration due o gravity
36. Purpose of the Addition of Vector experiment
37. Purpose of the Linear Momentum experiment
To demonstrate and verify the vector nature and conservation of linear momentum
38. Purpose of Centripetal Force experiment
To learn about uniform circular motion and centripetal force
39. Equation of a line
y=mx+b
40. A linear relationship will be a ____
Straight line
41. What happened to the period of vibration of a simple pendulum of a simple pendulum if the mass of the bob is increased?
Nothing, the mass does not effect the period of vibration
42. Some clocks use pendelums to keep time. If a grandfather clock were running too slow, how would you correct this?
Shorten the length of the pendulum so it will go faster
43. Formula for momentum
p=mv
44. Formula for tension
T=mg
45. What happens to the speed of the wave on the strong as more mass is added?
The speed increases
46. If one wished to double the speed of the wave on the vibrating string by increasing the tension, by how much would the tension need to be increased?
47. What kind of light produces both continuous and discrete?
Fluorescent Light
48. What type of spectrum does incandescent light produce?
Continuous
49. Hyperopia
Far sighted and needs convex lenses to correct it
50. Myopia
Near sighted and needs concave lenses to correct it
51. Astronomical Telescope
Two convex lenses, produces and inverted image
52. Terrestrial Telescope
Two convex lenses, produces and upright image
53. Opera Glass
Convex and concave lenses, produces an upright, magnified, and virtual image
54. Formula for Slope (Rise/Run)
m=(y2-y1)/(x2-x1)
55. Superposition of Waves Lab
To obtain the resultant wave formed by the superposition of two traveling waves.
56. Superposition
In a situation where more than one wave occupies the same space at the same time, the displacements add at every point.
57. Constructive interference
Combination of waves so that two or more waves overlap to produce a resulting wave of increased amplitude
58. Destructive interference
Combination of waves so that crest parts of one wave overlap trough parts of another, resulting in a wave of decreased amplitude.
59. Transverse waves
Wave with a vibration at right angles to the direction the wave is traveling. Light consists of these waves.
60. Longitudinal Waves
Wave in which the induividual particles of a medium vibrate back and forth in the direction in which the wave travels. Sound consists of these waves.
61. Wavelength
Distance between successive crests, troughs, or identical parts of the wave
62. Period
The time required for one complete cycle.
63. Frequency
The number of vibrations per unit of time.
64. Wave Speed
frequency X wavelength
65. Crest
One of the places in a wave where the wave is highest or the disturbance is greatest in the opposite direction from the trough.
66. Trough
The lowest part of a wave
67. Amplitude
The maximum displacement on either side of the equilibrium point.
68. The Vibrating String Lab
To study harmonics and overtones in a vibrating string
69. Nodes
Any part of a standing wave that remains stationary; a region of minimal or zero energy
70. Antinodes
Any part of a standing wave with maximum displacement and maximum energy
71. The Organ Pipe Lab
To study overtones and harmonics of standing waves in organ pipes.
72. Types of Spectra Lab
To observe the spectrum of light emitted from the various types of light sources
73. Spectroscope
black box used in types of spectra lab
74. Diffraction Grating
A spectrum is caused by this
75. Discrete emission spectra
A hot gas of low density through a diffraction grating
76. Continuous emission spectra
light looks like rainbow; fluorescent lamp, light bulb, candle
77. Emission Spectrum
spectrum of electromagnetic radiation emitted by a self-luminous source
78. Absorption Spectrum
The range of a pigment's ability to absorb various wavelengths of light.
79. The Ray Box: Part 1 Lab
To learn about reflection and refraction of light as well as color addition and color subtraction
80. Law of Reflection
the angle of incidence is equal to the angle of reflection
81. Law of Refraction
light going from fast medium to slow bends toward the normal and light going form slow medium to fast bends away form the normal
82. Concave Mirror
mirror that converges light
83. Convex Mirror
mirror that diverges light
84. Concave Lens
Lens that Diverges light
85. Convex Lens
Lens that Converges light
86. The Ray Box: Part Two Lab
To learn about reflection and refraction of light as well as color addition and color subtraction.
87. Myopia
nearsightedness
88. Hyperopia
farsightedness
all of the primary additive colors of light together make white light. Blue and red make magenta, green and blue make cyan, and green and red make yellow.
90. Color Subtraction
when a pigment subtracts the wavelengths from white light to form a certain color; only reflects one color, absorbs (subtracts) all others
91. Telescopes Lab
92. Focal Length
the distance from a lens to its focus
93. Real Images
can be projected and are seen upside down.
94. Virtual Images
can not be projected and only seen in mirrors or lenses; only seen right side up
95. Objective Lens
enlarges the image of the specimen
96. Eyepiece Lens
magnifies the image, usually 10 times
97. Astronomical Telescope
Consists of two lenses. In this case, the objective lens forms a REAL but DIMINISHED image of the distant object being viewed. The real image is the object of the second lens. The rays from this real image travel into the eyepiece lens and they form a virtual magnified image.
98. Terrestrial Telescope
A telescope where the final image is right-side up, which is more useful for those viewing objects on Earth.
99. Galilean Telescope (Opera Glass)
produces and enlarged upright image; the combination of lenses is a long focal length and positive objective lenses with a short focal length, negative eyepiece
100. Graphing Lab
To teach the student how to analyze data graphically.
101. Independent Variable
a variable whose values are independent of changes in the values of other variables. "X"
102. Dependent Variable
"Y", a variable in a logical or mathematical expression whose value depends in the independent variable
103. The simple pendulum lab
To use a simple pendulum to calculate the acceleration due to gravity.
105. Resultant
a vector that is the sum of two or more other vectors
106. Equilibrant
a force that places an object in equilibrium; is the same magnitude as the resultant, but opposite in direction
107. Linear Momentum Lab
To demonstrate and verify the vector nature and conservation of linear momentum
108. Centripetal Force Lab
To learn about uniform circular motion and centripetal force
109. Centripetal force
Center seeking force
110. Rotational Motion
motion of a body that spins about an axis
111. Angular Velocity
The angular displacement of an object divided by the time needed to make the displacement.