Practice - Lenses in Eyewear
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What type of lens is used to correct nearsightedness?
💡 Hint: Think of the letters 'C' in Concave and 'C' in Closer to help.
What happens to light rays passing through a convex lens?
💡 Hint: Remember the word 'converge' starts with 'C' for 'Convex'.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of lens is used to correct farsightedness?
💡 Hint: Think about what convex lenses do.
True or False: Concave lenses bend light inward.
💡 Hint: Consider the shape of a concave lens.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A person is nearsighted with a focal length of -30 cm. What type of lens is prescribed and why?
💡 Hint: Remember how lenses work with focusing.
If a microscope has an objective lens with a focal length of 2 cm and an eyepiece with a focal length of 5 cm, what is the total magnification?
💡 Hint: What variable affects magnification in microscope usage?
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.