Exam-style question
Try this first
How do reflecting telescopes form images?.
- A.By using a single lens to focus light
- B.By reflecting light off a curved mirror
- C.By refracting light through multiple lenses
- D.By using a prism to separate wavelengths
Model answer
What a good answer should say
- By reflecting light off a curved mirror
Explanation
Why this works
Reflecting telescopes use a curved mirror to reflect and focus light, forming an image at the focal point, which is a key feature of their design.
Common mistake
No common mistake is linked to this question yet.