How can a convex lens be used as a magnifying coach?
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because in convex lens words are seen to be big and in concave lens words are seen to be smaller .Hope it help you!
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when an object is placed between the optical center and first principal focus of a convex lens an erect magnified virtual image is formed on the same side of the object. this property of a convex lens os used for its application as a magnifying glass
Explanation:
आवर्धक लेन्स (magnifying glass या hand lens) एक उत्तल लेंस होता है जिसका उपयोग पास की वस्तुओं का आवर्धित प्रतिबिम्ब प्राप्त करने के लिये किया जाता है। प्रायः आवर्धक लेंस को एक गोल फ्रेम में मढ़ा गया होता है जिसमें एक हत्था (हैंडिल) भी लगा होता है। (चित्र देखें)।
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