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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when light hits a mirror?
💡 Hint: Think about what you see when you look at a mirror.
Question 2
Easy
Define refraction.
💡 Hint: Consider what happens to light in water.
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 is the angle of incidence equal to?
💡 Hint: Think about the laws of reflection we've discussed.
Question 2
True or False: A convex lens always forms virtual images.
💡 Hint: Consider where the object is placed in relation to the lens.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A concave mirror has a radius of curvature of 30 cm. What is the focal length of the mirror? If an object is placed 20 cm in front of it, where is the image formed?
💡 Hint: Set u as -20 cm and solve for v.
Question 2
An object is placed 10 cm from a convex lens with a focal length of 5 cm. Describe the nature of the image formed and illustrate with a ray diagram.
💡 Hint: Use the lens formula for a clear understanding.
Challenge and get performance evaluation