Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a convex lens do?
💡 Hint: Think of a magnifying glass.
Question 2
Easy
What is myopia?
💡 Hint: How would concave lenses help with this?
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
- Concave
- Flat
💡 Hint: Think about how the lens needs to change how you see far.
Question 2
True or False: Convex lenses make objects appear smaller.
- True
- False
💡 Hint: Remember what a magnifying glass does.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are using a convex lens to focus light on an object 10 cm away. How does the distance from the lens affect the size of the image?
💡 Hint: Consider how light converges at various distances.
Question 2
Explain how a camera utilizes both convex and concave lenses to produce a clear image.
💡 Hint: Think of the role of each lens in forming a complete picture.
Challenge and get performance evaluation