1. You have a converging lens of focal length 20 -cm. For what range of object d

Question

1. You have a converging lens of focal length 20 -cm.

For what range of object distances will the image be larger than the object?

For what range of object distances will the image be smaller than the object?

For what range of object distances will the image be upright?

For what range of object distances will the image be inverted?

For what range of object distances will the image be real?

For what range of object distances will the image be virtual?

2. You have a diverging lens of focal length 20 crn.

a. For what range of object distances will the image be larger than the object?

b. For what range of object distances will the image be smaller than the object?

c. For what range of object distances will the image be upright?

d. For what range of object distances will the image be inverted?

e. For what range of object distances will the image be real?

f. For what range of object distances will the image be virtual?

Explanation / Answer

1) a)the object must be in between vertex and focal point b)beyond the center of the curvature c)the object must be in between vertex and focal point d)at the center of the curvature e)object must be greater than focal length.........

e) betwween vertex and Focal point

2)a)the object must be in between vertex and focal point..........

b) beyond the center of the curvature

...........c) c)the object must be in between vertex and focal point d)between the object must be in between vertex and focal point ........... e) between the object must be in between vertex and focal point.........

f)beyond the center of curvature..........

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