5 - Refraction Through a Lens
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Practice Questions
Test your understanding with targeted questions
What is the definition of a convex lens?
💡 Hint: Think about how these lenses are shaped and the light behavior.
What does the optical center of a lens refer to?
💡 Hint: Consider where light enters without changing direction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of lens is thicker in the middle?
💡 Hint: Remember the shape of each lens type.
True or False: A concave lens can create real images.
💡 Hint: Think about the ray diagrams of concave lenses.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A convex lens with a focal length of 15 cm forms an image 30 cm from the lens. Where is the object located?
💡 Hint: Remember to rearrange the lens formula appropriately.
If a concave lens creates a virtual image at a distance of -20 cm with an object placed at -10 cm, find the focal length.
💡 Hint: Make sure to account for the signs of the distances correctly.
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