General Science- Jahajon Me Samay Mapne Ke Liye Prayukt Upakarann Hai ?

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Q.10016: जहाजों में समय मापने के लिए प्रयुक्त उपकरण है ?
A.
B.
C.
D.
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जहाजों में समय मापने के लिए प्रयुक्त उपकरण है ? General Science in hindi,  Kronometer question answers in hindi pdf  galvanometer questions in hindi, Know About sonometer General Science online test General Science notes in hindi quiz book    Bolometer

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