A sharp image is located 76.0 mm behind a 64.0 mm focal-length converging lens.
* Find the object distance by calculation.
.................................cm.
2007-03-05 14:49:10 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics
1/f = 1/Do + 1/Di
1/64 = 1/Do + 1/76
Solve this for Do and you've got your answer. This equation is called the thin lense equation. Do is the object distance. Di is the image distance. And f is the focal length. (If the lens had been a diverging lens, the focal length would have been negative.)
2007-03-05 14:55:06 · answer #1 · answered by Dennis H 4 · 0⤊ 0⤋
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2016-12-18 16:10:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋
so look up the formula in your textbook.
2007-03-05 14:51:40 · answer #3 · answered by Anonymous · 0⤊ 0⤋
it's depend on model camera....
2007-03-05 14:54:27 · answer #4 · answered by Chucky 2 · 0⤊ 0⤋