Physics · Ray Optics
सामान्य समायोजन (अंतिम प्रतिबिंब अनंत पर बनता है) के लिए एक खगोलीय दूरबीन की कुल लंबाई 20 सेमी है। यदि इसका कोणीय आवर्धन 4 है, तो अभिदृश्यक लेंस (fo) और नेत्रिका लेंस (fe) की फोकस दूरी क्रमशः होगी:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 cm, 5 cm
- 24 cm, 16 cm
- 316 cm, 4 cm✓
- 45 cm, 20 cm
सही उत्तर देखें
16 cm, 4 cm
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