Fish can be held in water at different depths as a result of the operation of the swim bladder. explain how it happens?

Archimedes’ law says: a body immersed in a liquid is affected by a force equal to the weight of the displaced liquid. The weight of this liquid is equal to the volume times the density (in this case, water). By changing the size of the air bubble, the slaves change the volume of the displaced liquid: with an increase they float, with a decrease they submerge.




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