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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of lens is thicker in the middle and converges light rays?
💡 Hint: Remember the characteristics of a convex lens.
Question 2
Easy
Which lens is used in eyewear for viewers with myopia?
💡 Hint: Think about how lenses correct vision.
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 is used to correct myopia?
- Convex Lens
- Concave Lens
- Bifocal Lens
💡 Hint: Think about how we see things clearly.
Question 2
True or False: A convex lens always produces virtual images.
- True
- False
💡 Hint: Consider the scenarios for different object distances.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A magnifying glass is used to observe a small insect at a distance of 4 cm from the lens with a focal length of 2 cm. What type of image is formed?
💡 Hint: Use the properties of magnifying lenses.
Question 2
A person requires glasses for myopia with a focal length of -5 cm. If the distance of the object is -10 cm, find the position of the image.
💡 Hint: Apply the lens formula correctly.
Challenge and get performance evaluation