Exam-style question
Try this first
What is the advantage of using a larger aperture in telescopes?.
- A.It decreases the resolution of images
- B.It increases the collecting power of the telescope
- C.It reduces the weight of the telescope
- D.It limits the wavelengths that can be observed
Model answer
What a good answer should say
- It increases the collecting power of the telescope
Explanation
Why this works
A larger aperture allows a telescope to collect more light, which increases its collecting power and enables it to observe fainter objects in the universe.
Common mistake
No common mistake is linked to this question yet.
