Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
100 lessons,
4h 52m
Enroll
13.6k
Download
How do submarines work?
6,382 plays

More
In this Bytes video learn about the working principle of submarines in detail. For Hindi version click on - https://unacademy.com/lesson/how-do-submarines-work/BAQGI3R7

Unacademy Bytes
Daily Trivia

Unacademy user
I learned cold war from your course up to newly uploaded video,thank you a lot maam, I hope you will be done the entire psir optional before prelims, because I completely relied on you and one more thing maam do in english because we are from South india
how the same size of memory card or pendrive can store different amount of data like 2GB,4GB etc... kindly make a video on the technology incorporated. thank you madam.
Ma'am please make a lesson on Ballistic and Cruise missile too It is very Important, and thanks for such awesome lessons.
tHAX FOR The INFORMATION.... MAM PLZ Make A VEDIO About SCEINCE Behind MEDITATION......
crisp and clear..plz make vieo on "ballistic and cruise missiles"
Lot of Information with small time. Nice video and information. Tq
  1. HOW D0 SUBMARINES WORK?


  2. We will discuss a bit in detail about the working principle of submarines, which is pretty interesting how it dives and how it surfaces.


  3. A submarine or a ship can float because the weight of water that it displaces is equal to the weight of the ship.


  4. Compressed ait Ballast tank alves To control its buoyancy, the submarine has ballast tanks and auxiliary, or trim tanks, that can be alternately filled with water or air.


  5. negative buoyancy neutral buoyancy positive buoyancy USARussian Submerged UK Surfaced Diving


  6. NEXT LAYER When on the surface, a sophisticated global positioning system (GPS) accurately determines latitude and longitude, but this system cannot work when the submarine is submerged 30 35 122 21 BAIE 12, 40 40 ZOOM 57 63 68 12.3 ZOOM IN OOM OUT ooWN ENTER


  7. 10 20 30 40 31 60 70 To locate a target, a submarine uses active and passive SONAR (sound navigation and ranging) 80 2709000 7000 6000 5000 4000 3000 3000 4000 5000 00090 100 250 10 120 130 220 140 210 150 200 160 190 170 180