Question

A firefly is held in place infront of an ideal lens of focal length of f=78...

A firefly is held in place infront of an ideal lens of focal length of f=78 cm. The distance between the firefly and the vertex of the lens is s=16. Find the magnification of the image seen by an observed on the other side of the lens. Express your answer to 3 decimal places.

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Answer #1

f = 78 cm U = -16 CM using lens formula *--*> *= f* =* = -1) m = fue - to turn + n V= 78x16 16-78 m =-20.129 cm ma magnificat

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