An object is placed 18 cm in front of a converging lens that has a 12...

An object is placed 18 cm in front of a converging lens that has a 12 cm focal length. Use ray tracing to determine the magnification of the image.

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Expert Solution

Please refer to the attached image for the ray tracing diagram and the derivation for the formula for magnification

By following the cartesian system of sign convention -

Object Distance =

Focal length of lens (converging = convex)

Image Distance =

By applying the lens formula -

Thus magnification for the required problem is

The negative sign signifies that the image is real and inverted.

And since

the image is enlarged.

genius_generous answered 3 weeks ago

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