Exam-style question
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How does the collecting power of a telescope relate to its aperture?.
- A.Larger apertures collect more light
- B.Smaller apertures collect more light
- C.Aperture size has no effect on collecting power
- D.Collecting power is independent of aperture
Model answer
What a good answer should say
- Larger apertures collect more light
Explanation
Why this works
The collecting power of a telescope is directly related to its aperture size; larger apertures allow more light to enter, enhancing the telescope's ability to observe faint objects. Smaller apertures limit light collection, making it harder to see distant celestial bodies.
Thus, larger apertures are essential for better astronomical observations.
Common mistake
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