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1 ) How far apart are an object and an image formed by an 70 −cm−cm...

1 ) How far apart are an object and an image formed by an 70 −cm−cm -focal-length converging lens if the image is 3.10 ×× larger than the object and is real?

2 )A -8.25-DD lens is held 12.6 cmcm from an ant 0.810 mmmm high.

Part A

What is the position of the image?

Express your answer with the appropriate units.


Describe the type and position of the image.Part B

Describe the type and position of the image.
virtual and behind the lens
real and behind the lens
virtual and in front the lens
real and in front the lens

Part C

What is the height of the image?
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