Back to the full dot-point answer
SingaporePhysicsQuick questions
Waves, Light and Sound
Quick questions on Thin converging lenses explained: O-Level Physics
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are drawing ray diagrams?Show answer
To locate the image of the top of an object, draw two of these standard rays and find where they cross:
What is q1?Show answer
Define the principal focus of a converging lens. [2 marks]
What is q2?Show answer
State the nature of the image when an object is placed beyond from a converging lens. [2 marks]
What is q3?Show answer
Explain why a converging lens used as a magnifying glass gives an upright image. [2 marks]
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.