Processing Math: Done
To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.

No jsMath TeX fonts found -- using image fonts instead.
These may be slow and might not print well.
Use the jsMath control panel to get additional information.
jsMath Control PanelHide this Message


jsMath

Lösning 4.5:5

FörberedandeFysik

Hoppa till: navigering, sök

Linsformeln 1a+1b=1f a=13m b=020m f=017m

Taklampans storlek förhåller sig till 13m som bildens storlek till 20cm

050130=x020 x=0077m dvs 77cm (diametern)