7,000 टन की पनडुब्बी डूबकर वापस ऊपर कैसे आती है? | How a Submarine sinks and floats again?

Have you ever wondered how a 7,000-ton steel submarine can sink deep into the ocean and then rise back to the surface without any external help? Learn how these engineering marvels control their depth with incredible precision in this short video. Full Video Link in Comments Video Title: 7,000 टन की पनडुब्बी डूबकर वापस ऊपर कैसे आती है? | How a Submarine sinks and floats again? #Submarine #archimedesprinciple #factified [how submarines work, submarine explained, how does a submarine float, how does a submarine sink, submarine science, ballast tanks, buoyancy, Archimedes principle, 7000 ton submarine, submarine technology, naval engineering, military technology, engineering explained, underwater technology, submarine facts, ocean engineering, navy submarine, science explained, physics explained, educational video, engineering facts, science facts, military facts, amazing facts, submarine documentary] Become an insider and join our exclusive Telegram group where you'll get: ✨ Early Access to new Videos/Projects 💬 Direct Interaction with Creators 🤫 Exclusive Content and insider information 👉 https://t.me/+aqUEtdvgPTMwZjFl Click to Subscribe - https://bit.ly/2JTVkLG ➤Instagram - https://www.instagram.com/factifiedhindi/?hl=en ➤Twitter - https://x.com/FactifiedHindi ➤Facebook - https://www.facebook.com/factifiedhindi/ ✰✰✰ For Any Business Queries Contact Email 👉 [email protected] ✰✰✰ Copyright © 2026 Factified हिंदी All Rights Reserved