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 is the position of the image when the object is at infinity?
💡 Hint: Think about where the light rays converge.
Question 2
Easy
Describe the image characteristic when the object is at 2F1.
💡 Hint: Consider the relationship between object distance and image distance.
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 image is formed when the object is at 2F1?
- Enlarged
- Diminished
- Same Size
💡 Hint: Recall the specific point regarding position and size.
Question 2
True or False: An image formed at F2 when the object is at infinity is virtual.
- True
- False
💡 Hint: Consider the characteristics of images formed by convex lenses.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An object is placed 60 cm from a convex lens with a focal length of 15 cm. Calculate the image position and its nature.
💡 Hint: Use the lens formula carefully by substituting focal length and object distance.
Question 2
If the object distance is changed to 5 cm while using the same lens of focal length 12 cm, where is the image, and what is its nature?
💡 Hint: Find 'v' using the lens formula, mind the signs for distances.
Challenge and get performance evaluation