In a Telescope, compared to the eyepiece lens the objective lens has
- A. larger focal length and larger aperture ✓
- B. larger focal length and smaller aperture
- C. smaller focal length and larger aperture
- D. smaller focal length and smaller aperture
Correct Answer: A. larger focal length and larger aperture
Explanation
An astronomical telescope's objective lens has a larger focal length to increase magnification and a larger aperture to gather more light from distant objects.
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