P3, Lenses 0.0 / 5 ? PhysicsLight and OpticsGCSEAQA Created by: emmajane_Created on: 17-05-14 15:17 What is Refraction? The change of a direction of light as it passes through one median to another 1 of 9 How does a lens form an image? Through refraction of light 2 of 9 What is focal length? The distance from the lens to the principal focus 3 of 9 What do converging and convex lenses have in common? parallel rays of light are brought to a focus at a principal focus 4 of 9 What does i and r stand for? i= angle of incidence r= angle of refraction 5 of 9 What is trhe nature of an image defined by? Its size relative to the object, whether it is upright or inverted and whether it's real or virtual 6 of 9 What is a converging lens used for? A magnifying glass 7 of 9 Name 2 types of natures of lenses Concave or diverging lenses 8 of 9 What is the nature of an image produced by a converging lens like? Objects are placed at different distances from the lens 9 of 9
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