Sciomi uses Google Analytics to measure how the site is used. If you accept, it stores a cookie on your device. If you decline, it stores nothing on your device, but Google may still receive a basic signal that a page was opened. Sign-in and practice progress cookies are always used. No ads are shown. Details in the privacy policy

Lenses (ray diagrams, thin lens equation)

Physics · Optics

Loading practice question…

About this practice set

Lenses (ray diagrams, thin lens equation) is part of Physics (Optics). Questions are generated with new numbers each time you practise. Levels available: Easy. After you answer, an explanation is shown.

Example questions

A taste of what you will practise. Answers are revealed after you try.

  • Easy

    A lens has a focal length of 18 cm and an object is placed 33 cm away. Where is the image formed?