Samudra Ki Gaharai Kis Vidhi Se Mapi Jati Hai ? Yani Kis Tarike Ka IsteMal Kiya Jata Hai.Laser , Apvartan , Sonar , sonic Boom समुद्र की गहराई किस विधि से मापी जाती है ? यानी किस तरीके का इस्तेमाल किया जाता है । लेजर, अपवर्तन, सोनार, सोनिक बूम

समुद्र की गहराई किस विधि से मापी जाती है ? यानी किस तरीके का इस्तेमाल किया जाता है । लेजर, अपवर्तन, सोनार, सोनिक बूम

nilu chandel on 06-06-2014

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Pankaj Kabdwal on 06-06-2014

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