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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the principal focus of a lens?
π‘ Hint: Think about where light rays come together.
Question 2
Easy
What is a diverging lens?
π‘ Hint: Consider lenses that help with short sight.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens to parallel rays of light passing through a converging lens?
π‘ Hint: Think about the shape of the lens.
Question 2
True or False: A diverging lens can produce a real image.
π‘ Hint: Consider where the light rays appear to come from.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
For a converging lens with a focal length of 10 cm, what type of image would be formed if an object is 25 cm away from the lens?
π‘ Hint: Use the lens formula and real image characteristics.
Question 2
Describe how the image characteristics change if the object is moved from infinity to within the focal length of a diverging lens.
π‘ Hint: Remember that diverging lenses create virtual images regardless of the object position.
Challenge and get performance evaluation