General Science- Ek Udte Hue chakke Ki Prati Second Ghoornan Kisase Mapi Jati Hai ?

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Q.10091: एक उड़ते हुए चक्के की प्रति सेकण्ड घूर्णन किससे मापी जाती है ?
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एक उड़ते हुए चक्के की प्रति सेकण्ड घूर्णन किससे मापी जाती है ? General Science in hindi,  Anemometer question answers in hindi pdf  hygrometer questions in hindi, Know About Barometer General Science online test General Science notes in hindi quiz book    Straboscope

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