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End If End If Session.CodePage = Session("FP_OldCodePage") Session.LCID = Session("FP_OldLCID") %> Reading Quiz: Reflection in Spherical Mirrors

Reading Quiz: Reflection in SPHERICAL Mirrors

Answers must be submitted by  9:30 am Friday, October 19th.

For answering the below questions you may use any of the following sources: Lab findings, assigned readings from Light Science and Conceptual Physics, Internet Research (http://www.glenbrook.k12.il.us/gbssci/phys/Class/refln/reflntoc.html). Concise and well thought answers are appreciated.

Enter your last name, first initial:  

Click here to indicate that you have read the assigned material and are answering the reading questions on your own.

1. A spherical mirror is a portion of a sphere which was sliced away and then silvered on one of the sides to form a reflecting surface.

(2 words) were silvered on the inside of the sphere and   (2 words) were silvered on the outside of the sphere.

2. Use the diagram below to fill in the blanks the following definitions:

a) A line passing through the center of the sphere and attaching to the mirror in the exact center of the mirror is known as the   (2 words).

b) The (3 words) is the point in the center of sphere from which the mirror was sliced.

c)  The point on the mirror's surface where the principal axis meets the mirror is known as the (1 word).

d) Midway between the vertex and the center of curvature is a point known as the   (2 words).

e) The distance from the vertex to the center of curvature is known as the   (3 words) and is the radius of the sphere from which the mirror was cut.

.f) The   (2 words) is the distance from the mirror to the focal point. The focal length would be  (2 words) the radius of curvature.

3. In order to determine the image location for an object, in a concave mirror the simpler method relies on two simple rules of reflection. They are:

a) Any incident ray traveling parallel to the    (2 words) on the way to the mirror will pass through the (2 words) upon reflection.

b) Any incident ray passing through the (3 words) on the way to the mirror will travel    (1 word).

4. a) The image of an object being located beyond C can be described (as size, orientation and type) as  being (3 words).

b) The image of an object being located between C and F can be described (as size, orientation and type) as  being (3 words).

c) The image of an object being located between F and A can be described (as size, orientation and type) as  being   (3 words).

d) For the case of an object located at F, the reflected rays are traveling (1 word) to each other; the rays or the extensions of the rays (2 words) intersect, so an image of the object (2 words) be found.

5. Plane mirrors always produce only (1 word) images. Concave mirrors are capable of producing (4 words) images depending upon the object location.

 6. a) For a convex mirror the center of curvature C and the focal point F are located on the side of the mirror opposite the object, that is (1word) the mirror. A convex mirror is said to have a (1 word) focal length value.

b) A convex mirror is sometimes referred to as a (1 word)  mirror due to its ability to take light from a point and diverge it.

c) Convex mirrors produce (1 word) images which are located somewhere (1 word) the mirror.

7. The sign conventions for the given quantities in the mirror equation and magnification equations are as follows:

a) f is + if the mirror is a (1 word) mirror.

b) f is - if the mirror is a (1 word) mirror.

c) di is + if the image is a (1 word) image and located on the object's (1 word) of the mirror.

d) di is - if the image is a virtual image and located (1 word) the mirror.

e) hi is + if the image is an (1 word) image (and therefore, also  (1 word).

f) hi is - if the image is an (1 word) image (and therefore, also  (1 word).

 

When you've finished, click on SUBMIT.
(Make sure you haven't skipped any questions unintentionally)