Two thin lenses (focal lengths f1and f2) are separated by distanced. by starting from the thin lens equation, calculate the back and front focal lengths of the system.

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

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