Question Detail
Question
What type of optical component often serves as the objective in many telescopes, as mentioned in the text?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The 'Telescopes' section notes, 'Another difference is that many telescopes use a curved mirror, not a lens, as the objective.'
Hint
Review the 'Telescopes' section for a statement about the type of objective used in many telescopes.