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Question

A concave lens and a convex lens of same focal length 10 cm are separated by 25 cm. A point size object is placed in front of convex lens at 15 cm. Distance between object and final image is

समान फोकस दूरी 10 cm के एक अवतल लेन्स तथा एक उत्तल लेंस के मध्य दूरी 25 cm है। बिंदु के आकार की एक वस्तु को उत्तल लेंस के सामने 15 cm पर रखा जाता है। वस्तु तथा अंतिम प्रतिबिम्ब के मध्य दूरी है


A
40 cm
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B
50 cm
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C
35 cm
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D
45 cm
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Solution

The correct option is B 50 cm
Solution

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