Question
An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of
Large focal length and large diameter
Large focal length and small diameter
Small focal length and large diameter
Small focal length and small diameter
For a telescope, angular magnification is given by . To have large magnification, the focal length of the objective lens () should be large. Angular resolution is given by . To have high angular resolution, the diameter () of the objective lens should be large.
This question aligns with the NEET general syllabus, specifically targeting concepts from General. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
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