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Question

Click here http://higheredbcs.wiley.com/legacy/college/halliday/0471758019/simulations/sim41/sim41.html

to view the simulation, and then answer the questions below.

Click-and-drag the light-blue dot at the tip of the dark blue arrow (the object) to re-size and/or re-position the object.
Click-and-drag the light green dot at the center of the mirror/lens to move the mirror/lens left or right.
Click-and-drag the red dot marking the focal point of the mirror/lens left or right to change the shape of the mirror/lens, and thus change its focal length.

You have a mirror but you're not sure what kind of mirror it is, so you use it to make some observations.

(a) When you place an object at a particular spot in front of the mirror, you observe that the image of the object is virtual and upright. What kind of mirror could this be? Select all the possibilities from the list below.

__A concave mirror.

__A convex mirror.

__A plane mirror.

(b) When you then move the object toward the mirror a small distance, you observe that the image of the object changes size. What kind of mirror could this be? Select all the possibilities from the list below.

__A concave mirror.

__A convex mirror.

__A plane mirror.   

(c) You also observe that the image created by the mirror is larger than the object. What kind of mirror could this be? Select all the possibilities from the list below.

__A concave mirror.

__A convex mirror.

__A plane mirror.

Explanation / Answer

a. It

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