2 m फोकस-दूरी वाले अवतल लेंस की क्षमता क्या होगी? 2m Focus Doori Wale Uttal Lens Ki Chamta Kya Hogi?
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2 m फोकस-दूरी वाले अवतल लेंस की क्षमता क्या होगी? 2m Focus Doori Wale Uttal Lens Ki Chamta Kya Hogi?

2 m फोकस-दूरी वाले अवतल लेंस की क्षमता क्या होगी? 2m Focus Doori Wale Uttal Lens Ki Chamta Kya Hogi?
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2 m फोकस-दूरी वाले अवतल लेंस की क्षमता क्या होगी? 2m Focus Doori Wale Uttal Lens Ki Chamta Kya Hogi?
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लेंस की क्षमता = 1/f = 1/-2m = -0.5 डाइऑप्टर।

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