Cambridge IGCSE · Physics

Ray optics

7 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 7 questions

  1. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  2. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  3. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  4. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  5. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  6. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?
  7. An object is placed in front of a convex lens of focal length . At what distance from the lens (in cm) is the image formed?

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