Gujarati
9-1.Fluid Mechanics
easy

एक बड़ा जहाज जल में तैर सकता है, किन्तु स्टील की बनी हुई सुई डूब जाती है। इसक कारण है

A

श्यानता

B

पृष्ठ तनाव

C

घनत्व

D

उपरोक्त में से कोई नहीं

Solution

(d) A large ship can float but a steel needle sinks, this concept is explained by Archimedes principle which states that when a body is fully or partly all submerged in a fluid, a buoyant force from the surrounding fluid acts on the body. The force is directed upward and has a magnitude equal to the weight of the fluid that has been displaced by the body.

Standard 11
Physics

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