The Student Room Group

Focal length experiment results.

In this experiment we had a lightbox emitting rays into a lens, then it was projected upon a screen. Our results for the thick convex lens with focal length 10cm are linked here: http://imgur.com/4DH8Xzm

However what would you expect with a thin convex lens of focal length 5cm? I know the values of U are the same and somehow V/U has to equal hi/ho

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