Question Detail
Question
How can the magnification of a telescope be varied according to the provided text?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The text concludes the 'Telescopes' section by stating: 'The magnification of a telescope can be varied by using different eyepieces with different focal lengths f₂.'
Hint
Consider which component's properties are mentioned as changeable to alter magnification.