9.9 - EXERCISES
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Practice Questions
Test your understanding with targeted questions
Calculate the image distance for an object placed 30 cm from a convex lens with a focal length of 15 cm.
💡 Hint: Use 1/f = 1/v - 1/u.
What is the nature of the image formed by a concave mirror when the object is between F and P?
💡 Hint: Think about the conventions of image types and positions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of image does a convex lens produce when the object is far away?
💡 Hint: Consider the lens properties based on object distance.
True or False: The angle of incidence at which total internal reflection occurs is less than the critical angle.
💡 Hint: Remember the definition of critical angle!
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Challenge Problems
Push your limits with advanced challenges
A beam of light strikes the boundary of glass and water at given angles. Determine the angle of refraction when crossing each boundary.
💡 Hint: Use ratios of sin for the angle relations.
Explain in detail how to find the effective focal length when two lenses are placed in contact.
💡 Hint: Remember the distances and signs in the lens equation!
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Reference links
Supplementary resources to enhance your learning experience.