Question

घड़ी बनाने वाले घड़ी के अत्यंत सूक्ष्म भागों को देखने के लिए उपयोग किया करते हैं​

Answer 1

Answer:

conex lens of short focal length as

magnifying power = l 1 + D/f I f is focal length of lens

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Answer 2

Answer:

Convex Lens

Explanation:

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