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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of images do concave lenses produce?
π‘ Hint: Think about the characteristics we discussed.
Question 2
Easy
What is the focal length of a concave lens?
π‘ Hint: Recall the properties of concave lenses.
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 type of images do concave lenses form?
π‘ Hint: Remember the properties of images formed by concave lenses.
Question 2
True or False: Concave lenses can form real images.
π‘ Hint: Think about image properties and real vs. virtual.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A concave lens has a focal length of -25 cm. If an object is 10 cm in front of the lens, where does the image form?
π‘ Hint: Donβt forget to consider the signs in the lens formula.
Question 2
If a concave lens produces an image of size 2 cm for an object size of 6 cm, what is the magnification?
π‘ Hint: Use the formula to find the relationship between image and object sizes.
Challenge and get performance evaluation