Convex & Concave Ray Diagrams (AQA GCSE Physics): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which statement describes the shape of a convex lens?
Which statement describes the shape of a convex lens?
Thicker in the middle than at the edges
Which statement describes the shape of a concave lens?
Which statement describes the shape of a concave lens?
Thicker at edges, thinner in centre
How do lenses change images?
How do lenses change images?
By refracting light
What happens to light entering a convex lens?
What happens to light entering a convex lens?
Refracted inwards to principal focus
What effect does a concave lens have on light?
What effect does a concave lens have on light?
It causes light to diverge
What is the focal length of a lens?
What is the focal length of a lens?
Distance from lens centre to principal focus
In a convex lens, what happens to a ray parallel to the axis?
In a convex lens, what happens to a ray parallel to the axis?
Refracts through the principal focus
In a convex lens, what happens to a ray from the principal focus?
In a convex lens, what happens to a ray from the principal focus?
Leaves the lens parallel to the axis
For a concave lens, what happens to a ray parallel to the axis?
For a concave lens, what happens to a ray parallel to the axis?
Appears to come from principal focus
What type of image do only convex lenses produce?
What type of image do only convex lenses produce?
Real images
When is a real image formed?
When is a real image formed?
When light comes together
What type of images do concave lenses always produce?
What type of images do concave lenses always produce?
Virtual images