A converging lens of 15cm focal length is placed on an optical bench that is 120cm long. An object fixed at 0.0cm and s...

Question

Question

A converging lens of 15cm focal length is placed on an optical bench that is 120cm long. An object fixed at 0.0cm and screen is placed at 140.0 cm.
1. Measuring from the object end of the bench, determine the two positions of the lens for which an image will be focused on the screen.
2. Find all magnification in each case.

Answer 1

Answer #1

1 H i -Screen 20cm 1. Ron u- object distance V image distance t-Jecal length Give utv=140CM tot the futu Vtu - 1 ut = 140815=

Answer 2

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