Physics Principles and Problems 2009

Section 17.2 : Curved Mirrors

Self-Check Quizzes

1
The focal point is where incident light rays parallel to a concave mirror _____.
A)are reflected
B)coincide with C, the geometric center
C)cross the principle axis
D)change direction
2
How can you see a real image with an unaided eye?
A)You can view the image from between the mirror and the image.
B)A real image can be viewed from any point that you can see the mirror.
C)Your eye must be placed so that the rays that form the image fall on your eye.
D)You can view the image from the incident rays of the object.
3
Why is the mirror equation, <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617988/SC_Eq_Ch17_1.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a> an approximation?
A)It only works for objects beyond point C.
B)It does not account for different wavelengths of light.
C)It only works for very small mirrors.
D)It does not account for spherical aberration.
4
If the absolute value for the magnification of an image from a concave mirror is greater than 1, where is the object placed?
A)between point C and point F
B)beyond point C
C)at point C
D)at point F
5
Why are convex mirrors useful?
A)The image is a virtual image.
B)They allow for a large field of view.
C)They are easily fit into small areas.
D)They are not expensive to make.
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