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Which of the following is NOT the name of one of Mr. V's cats?
 
Janie
 
Orion
 
Ivy
 
Gracie
A light wave travels at 3x108 m/s with a frequency of 5x1012 Hz.  What is the wavelength?
 
6x10<sup>-5</sup>&nbsp;m
 
6x10<sup>-5 </sup>cm
 
0.0000000006 m
 
6x10<sup>5</sup>&nbsp;m
Convex Mirror: focal length of 4 cm, object is located at 7 cm. Where is the image located?
 
-2.5 cm
 
No image
 
2.5 cm
 
-5 cm
Concave Mirror: focal length of 5 cm, object is located at 10 cm. Where is the image located?
 
10 cm
 
No image
 
5 cm
 
20 cm
Diverging lens: focal length of 6 cm, object is located at &nbsp;4 cm. Where is the image located?
 
-2.4 cm
 
No image
 
-12 cm
 
12 cm
Converging lens: focal length of 10 cm, object is located at 10 cm. Where is the image located?
 
No image
 
0 cm
 
10 cm
 
-10 cm
Converging lens: focal length of 10 cm, object is located at 9 cm. Where is the image located?
 
-90 cm
 
No image
 
-.01 cm
 
90 cm
Converging lens: focal length of 10 cm, object is located at 17 cm. Where is the image located?
 
24 cm
 
24 m
 
.04 cm
 
20 cm
A concave mirror or a converging lens always produces what type of&nbsp;image?
 
Real or virtual depending on where the object is located.
 
Real.
 
Virtual.
 
None of the above.
A convex mirror or a diverging lens always produces what type of&nbsp;image?
 
Virtual.
 
Real.
 
Real or virtual depending on where the object is located.
 
None of the above.
You are 1 light year from a star, and you move to 2 light years away. &nbsp;The new intensity is
 
One fourth as bright
 
Half as bright
 
Twice as bright
 
Four times as bright
The farther light is from a source the ____ the intensity becomes.
 
Less
 
Greater
 
Condensed
 
Radical
Light travels from air to glass, and changes angle with respect to the normal. &nbsp;This is called
 
Refraction
 
Transmission
 
Reflection
 
Conduction
Light travels from air to glass. &nbsp;Here, air or glass is called a ____.
 
Medium
 
Area
 
Volume
 
Boundary
The focal length for a diverging lens or a convex mirror is always
 
Negative.
 
Larger than one.
 
Smaller than one.
 
Positive.
Where reflected light rays intersect a _____ image is formed.
 
Real
 
Virtual
 
Upright
 
Diffraction pattern
The point where all incident parallel rays converge for a concave mirror is called
 
Focal point
 
Center of curvature
 
Object distance
 
Image distance
A light ray strikes a flat mirror at an angle of 50o&nbsp;from the normal, the reflected ray will be
 
50<sup>o</sup>&nbsp;from the normal
 
40<sup>o</sup>&nbsp;from the mirrors surface
 
50<sup>o</sup>&nbsp;from the mirror's surface
 
40<sup>o</sup>&nbsp;from the normal line
An image that appears behind a mirror is&nbsp;
 
Virtual
 
Real
 
Curved
 
Projected
What phenomenon is responsible for a straight drinking straw looking bent in a glass of water?
 
Refraction
 
Diffraction
 
Interference
 
Reflection


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