9.3.7 - Lens Formula and Magnification
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Practice Questions
Test your understanding with targeted questions
Define the lens formula and what each term represents.
💡 Hint: Think about how distances are measured in optics.
What does a positive magnification indicate?
💡 Hint: Consider the orientation of images formed by different lenses.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the lens formula relate?
💡 Hint: Recall the definition of the lens formula.
True or False: A concave lens can produce a real image.
💡 Hint: Think about the behavior of light rays through different lenses.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An object is placed 20 cm from a convex lens with focal length 10 cm. Calculate the image position and explain.
💡 Hint: Don't forget to use the correct signs for distances!
For a concave lens that produces an image at a distance of -5 cm when the object is at -10 cm, what is the focal length?
💡 Hint: Focus on keeping signs straight according to conventions.
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