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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
State the law of reflection.
π‘ Hint: Remember the acronym AIR.
Question 2
Easy
What type of mirror produces a virtual image?
π‘ Hint: Think about your reflection in a bathroom mirror.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the angle of reflection equal to?
- Twice the angle of incidence
- Equal to the angle of incidence
- Less than the angle of incidence
π‘ Hint: Think about how they relate in a reflection.
Question 2
True or False: A concave lens converges light.
- True
- False
π‘ Hint: Think about how a magnifying glass works.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A concave mirror has a radius of curvature of 30 cm. Calculate the focal length and the position of an object placed 10 cm in front of it.
π‘ Hint: First, calculate the focal length from the radius.
Question 2
A student observes an object through a convex lens with a focal length of 20 cm. If the object is placed 40 cm from the lens, where will the image be formed?
π‘ Hint: Calculate the image position using the lens formula.
Challenge and get performance evaluation