An astronomical refracting telescope will have large angular magnification and high angular resolution when it has an objective lens of:-
1. small focal length and large diameter
2. large focal length and small diameter
3. large focal length and large diameter
4. small focal length and small diameter
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn astronomical telescope has an objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 cm away from the objective, the lenses must be separated by a distance of :
(1) 46.0 cm
(2) 50.0 cm
(3) 54.0 cm
(4) 37.3 cm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn astronomical telescope has an objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 cm away from the objective, the lenses must be separated by a distance:
1. 46.0 cm
2. 50.0 cm
3. 54.0 cm
4. 37.3 cm
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology