• 0.2 m/s
• 5 m/s
• 12 m/s
• 20 m/s

• Absorption
• Diffraction
• Reflection
• Refraction
• #### 3.  In the diagram shown, light is traveling toward a mirror and reflecting off of it. The angle labeled as A is known as the...

• angle of incidence
• angle of reflection
• angle of refraction
• normal angle
• #### 4.  When experiencing __________________ two waves pass through each other and their amplitudes combine to create a wave with an amplitude that larger than either of the individual waves.

• Reflection
• Refraction
• Constructive Interference
• Destructive Interference
• #### 5.  The image formed in this lens is

• beyond f, upright, smaller, virtual
• inside f, inverted, smaller, real
• beyond f, inverted, smaller, real
• inside f, upright, smaller, virtual

• reflection
• refraction
• mirrors
• focal point
• #### 7.  What must be true about waves which reflect off of fixed boundaries?

• Their amplitude increases.
• Their wavelength increases.
• They become inverted.
• They remain erect.
• #### 8.  The equation used to determine how much the path of a ray of light is bent when it passes into another medium is known as...

• Ohm's Law
• Coulomb's Law
• The Law of Reflection
• Snell's Law
• #### 9.  Using the fact that light travels at 3.0x108 m/s find the frequency of yellow light. (wavelength of yellow light is 5.85 x 10-7 m)

• 5.12 x 1014 Hz
• 176 Hz
• 0.14 Hz
• 3 x 108 Hz
• #### 10.  What type of image is formed when light converges after passing through a lenses or reflecting off of a mirror?

• an inverted virtual image
• an erect real image
• an inverted real image
• an erect virtual image
• #### 11.  If a wave from one slit of a Young's double-slit experiment set-up arrives at a point on the screen one wavelength behind the wave from the other slit, what is observed at that point?

• dark fringe
• bright fringe
• multi-colored fringe
• gray fringe, neither bright nor dark

• real
• virtual
• critical
• focal
• #### 13.  When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• virtual, enlarged, and upright
• virtual, reduced, and upright
• #### 14.  This image is...

• Inverted and smaller
• inverted and bigger
• not inverted and smaller
• not inverted and bigger

• diverges
• converges
• implodes
• merges
• #### 16.  Calculate the wavelength of light that has a frequency of 5.2 x 1012 Hz.

• 5.8 x 10 -5 m
• 5.8 x 10 -7 m
• 5.19 x 10 14 m
• 1.56 x 10 23 m
• #### 17.  When light travels from air into another medium with a higher index of refraction, what happens to the speed at which it travels.

• it increases
• it decreases
• it remains constant
• this is impossible
• #### 18.  Which of the following descriptions best describes a image from a plane (i.e. flat) mirror?

• virtual, erect, same size as object
• real, erect, same size as object
• virtual, inverted, same size as object
• real, inverted, same size as object
• #### 19.  ______________________ occurs when waves combine to create a wave with a LOWER amplitude.

• Diffraction
• Constructive interference
• Destructive interference
• Refraction

• 0.33 m
• 3 m
• 20 m
• 75 m
• #### 21.  Passing a current through a solenoid will produce

• a magnetic field
• an electric field
• a current field
• nothing is produced
• #### 22.  When the frequency of a wave increases, what happens to the wavelength?

• The wavelength is not directly affected by the frequency of a wave.
• The wavelength increases.
• The wavelength decreases.
• More specific information is needed to form a conclusion about the wavelength.
• #### 23.  When you go out to sun, ultraviolet light rays give you your tan. What is the wavelength of this light if it has a frequency of7.74 X 1014 Hz?

• 3.88 x 10-7 m
• 3.26 x 10-2 m
• 2.58 x 106 m
• 2.32 x 10﻿23 m

• crest
• trough
• wavelength
• amplitude
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