Get a sheet of paper and draw a horizontal optical axis. Next, draw a vertical line...

Get a sheet of paper and draw a horizontal optical axis. Next, draw a vertical line near the center of the optical axis to represent your lens, then measure out and draw the focal points. Assume the focal length to be 2cm. Pick an object point 6cm away from the lens on the top left-hand side of the paper. Draw the three simple case rays – parallel, through the center of the lens, and through the focal point – and locate the image formed on the other side of the lens.

Question 1: Get another sheet of paper and repeat step 1, however instead draw the object point inside the focal length, 1cm away from the lens. Again draw the three simple case rays

What do you observe? Do the lines converge at a given point???

Question 2: Get a third sheet of paper and repeat the ray tracing procedure for a concave lens with focal length -2cm. Place the object outside of the focal length, 4cm to the left of the lens

Do the rays converge at a given point?

Solutions

Expert Solution

Question 1: Get another sheet of paper and repeat step 1, however instead draw the object point inside the focal length, 1cm away from the lens. Again draw the three simple case rays

What do you observe? Do the lines converge at a given point??? No. A virual image is formed on the side of the object.

Question 2: Get a third sheet of paper and repeat the ray tracing procedure for a concave lens with focal length -2cm. Place the object outside of the focal length, 4cm to the left of the lens

Do the rays converge at a given point? No. A virtual image is formed on the same side of the object.

genius_generous answered 1 year ago

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