Physics · Ray Optics
सूर्य से आने वाली समानांतर किरणें एक अवतल दर्पण के सामने 20 cm की दूरी पर एक बिंदु पर केंद्रित होती हैं। +2 आवर्धन (magnification) का आभासी प्रतिबिंब प्राप्त करने के लिए, वस्तु को दर्पण के सामने कितनी दूरी पर रखा जाना चाहिए?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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सही उत्तर देखें
10 cm
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