6.2.3.1 - Types of Lenses
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a convex lens?
💡 Hint: Think about how a magnifying glass works.
What type of lens is used to correct nearsightedness?
💡 Hint: Remember the shape of the lens!
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a convex lens considered?
💡 Hint: Think about how they gather light.
True or False: Concave lenses create real images.
💡 Hint: Consider what happens when light passes through them.
1 more question available
Challenge Problems
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If a convex lens produces a virtual image that is twice the size of the object, with the object located 10 cm from the lens, what is the lens' focal length?
💡 Hint: Consider negative values for virtual images.
Two different concave lenses create an effective focal length of -30 cm when combined. If one lens has a focal length of -20 cm, what is the focal length of the other lens?
💡 Hint: Remember to factor in the signs of the focal lengths when combining lenses.
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