A small object is on the optical axis, 25.9 cm from a +21.0 cm lens. Find...
A small object is on the optical axis, 25.9 cm from a +21.0 cm lens. Find the image distance and magnification by calculation.
| image distance | |
| magnification |
Homework Answers
using lens formula
1/f = 1/v - 1/u
1 / 21 = 1/ v + 1/ 25.9
v = 111 cm
========
m = - v / u = - 111/ 25.9 = - 4.286
========
Comment in case any doubt, will reply for sure.. Goodluck
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