Exam-style question
Try this first
What happens to the image formed by a lens when the object is placed at a distance greater than twice the focal length?.
- A.The image is virtual and upright.
- B.The image is real and inverted.
- C.The image is enlarged and upright.
- D.The image is diminished and inverted.
Model answer
What a good answer should say
- The image is real and inverted.
Explanation
Why this works
When an object is placed beyond twice the focal length of a converging lens, the image formed is real, inverted, and located between the focal point and twice the focal length on the opposite side of the lens.
Common mistake
No common mistake is linked to this question yet.