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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the magnification of an image that is 12 cm tall if the object is 4 cm tall?
💡 Hint: Use the formula \\( m = \\frac{v}{u} \\).
Question 2
Easy
If a concave mirror gives a negative magnification of -1.5, what can we say about the image?
💡 Hint: Consider both the answer and the meaning of negative magnification.
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 does a negative magnification value indicate?
- The image is upright
- The image is inverted
- The image is blurry
💡 Hint: Think about signs in math!
Question 2
True or False: A convex lens only produces real images.
- True
- False
💡 Hint: Consider the object distance relative to the focal point.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A scientist uses a microscope with a 10x objective lens and a 40x eyepiece. If she views an object that is 2 mm tall, what is the height of the image produced?
💡 Hint: Multiply the two magnifications together.
Question 2
How would the magnification change if the object distance is increased while observing through a concave mirror?
💡 Hint: Consider the changes in the distance of the object relative to the focal point.
Challenge and get performance evaluation