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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define reflection in your own words.
π‘ Hint: Think about how a mirror works.
Question 2
Easy
What is a lens?
π‘ Hint: Consider what you look through in glasses.
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 law of reflection?
- The angle of incidence equals the angle of refraction.
- The angle of incidence is equal to the angle of reflection.
- The angle of refraction is greater than the angle of incidence.
π‘ Hint: Think about how light behaves when it hits a mirror.
Question 2
Is a convex lens diverging?
- True
- False
π‘ Hint: Recall the effect of convex lenses on light.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A light ray is incident at an angle of 40Β° from air to glass (n=1.5). Calculate the angle of refraction.
π‘ Hint: Set up Snell's Law correctly.
Question 2
A concave mirror has a focal length of 10 cm. Determine the image distance if the object is placed 15 cm in front of the mirror.
π‘ Hint: Use the correct sign convention for distances.
Challenge and get performance evaluation