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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of image is formed when an object is placed between the focal point and the lens of a concave lens?
💡 Hint: Think about how a concave lens behaves.
Question 2
Easy
In a convex lens, where do the parallel rays converge?
💡 Hint: Remember what happens to light in a convex lens.
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 type of lens converges light rays?
- Convex
- Concave
- Both
- Neither
💡 Hint: Think about the action of light through each lens type.
Question 2
True or False: A concave lens always forms real images.
- True
- False
💡 Hint: Recall the characteristics of images formed by concave lenses.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a convex lens of focal length 15 cm. An object is placed 45 cm away from the lens. Calculate the nature, position, and size of the image formed.
💡 Hint: Use the lens formula to find image position following the image magnification formula.
Question 2
An object is placed 10 cm in front of a concave lens with a focal length of -8 cm. Find the position of the image formed.
💡 Hint: Apply the lens formula and carefully consider the sign conventions.
Challenge and get performance evaluation