PhysicsLAB Worksheet
Thin Lens Equation #3: Both Types
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Refer to the following information for the next four questions.

A diverging lens that has a focal length of 10 cm is placed 30 cm from an object.
At what distance from the lens will the image be? 

Is the image real or virtual?
 
Is the image upright or inverted?
 
Is the image enlarged, reduced, or the same size?
 
Refer to the following information for the next four questions.

A converging lens that has a focal length of 10 cm is placed 30 cm from an object.
At what distance from the lens will the image be? 

Is the image real or virtual?
 
Is the image upright or inverted?
 
Is the image enlarged, reduced, or the same size?
 
Refer to the following information for the next four questions.

An object is placed 5 cm from a diverging lens that has a focal length of 10 cm.
At what distance from the lens will the image be? 

Is the image real or virtual?
 
Is the image upright or inverted?
 
Is the image enlarged, reduced, or the same size?
 
Refer to the following information for the next four questions.

An object is placed 5 cm from a converging lens that has a focal length of 10 cm.
At what distance from the lens will the image be? 

Is the image real or virtual?
 
Is the image upright or inverted?
 
Is the image enlarged, reduced, or the same size?
 
Refer to the following information for the next five questions.

A diverging lens that has a focal length of 10 cm is placed exactly 10 cm from an object.
At what distance from the lens will the image be? 

Is the image real or virtual?
 
Is the image upright or inverted?
 
Is the image enlarged, reduced, or the same size?
 
What would happen if this diverging lens is replaced with a converging lens that also has a focal length of 10 cm?
 
 

Refer to the following information for the next six questions.

An object is placed in front of a diverging lens having a focal length of 10 cm.
Where should the object be placed so that the lens forms an image that is 1/3rd as tall as the object?
 

Will the image real or virtual?
 
Will this image be upright or inverted?
 
If the diverging lens is replaced with a converging lens that also has a focal length of 10 cm, where should the object be placed to produce an image that is 1/3rd as tall as the object?
 

Will this image be real or virtual?
 
Will this image be upright or inverted?
 



 
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