Using lenses 0.0 / 5 ? PhysicsLight and OpticsGCSEAQA Created by: CharCreated on: 20-05-13 18:04 Why do we draw ray diagrams? To find the image that different lenses produce with objects in different positions 1 of 8 What is the principal axis? The line through the centre of the lens which is at a right angle to it 2 of 8 How many construction rays are included in a ray diagram? Three 3 of 8 What is ray parallel to the principal axis refracted THROUGH? The principal focus 4 of 8 Where does the ray through the centre travel? Straight on, without refraction 5 of 8 Where is the ray through the principal focus refracted from and to? Parallel to the principal axis 6 of 8 What type of image is formed when a camera uses a converging lens? A real image of an object 7 of 8 What are the two things it could be formed on to? Film or an array of CCDs 8 of 8
Comments
No comments have yet been made