A change of medium

• Resources Structure
• Key Stage 4
• Physics
• XVII. Light
• 93. Refraction of light

• Exam Specifications
• Key Stage 4
• AQA GCSE Science A (4461) Physics
• III. Additional materials
• 1. Additional materials
• Additional materials
• AQA GCSE Physics (4451)
• II. Additional materials
• 1. Additional materials
• Additional materials
• AQA GCSE Physics (4451)
• VI. Physics 3
• 30. What do mirrors and lenses do to light?
• The nature of the image produced by a convex mirror.
• The nature of the image produced by a concave mirror for an object placed at different distances from the mirror.
• Refraction at an interface.
• Refraction by a prism.
• The nature of the image produced by a diverging lens.
• The nature of the image produced by a converging lens for an object placed at different distances from the lens.
• The use of a converging lens in a camera to produce an image of an object on a detecting device (eg film).
• to construct ray diagrams to show the formation of images by plane, convex and concave mirrors
• to construct ray diagrams to show the formation of images by diverging lenses and converging lenses
• to explain the use of a converging lens as a magnifying glass and in a camera
• to calculate the magnification produced by a lens or mirror using the formula: magnification = image height / object height
• The normal is a construction-line perpendicular to the reflecting/refracting surface at the point of incidence.
• The angle of incidence is equal to the angle of reflection.
• The nature of an image is defined by its size relative to the object, whether it is upright or inverted relative to the object and whether it is real or virtual.
• The nature of the image produced by a plane mirror.

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