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Simran Bhatia Grade: 11
        A hollow spherical body of inner and outer radii 6 cm and 8 cm respectively floats half-submerged in water. Find the density of the material of the sphere.
3 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
474 Points
										Sol. . Here, Mg = Upward thrust

⇒V pg = (V/2) (pw) * g (where pw = density of water)
⇒ (4/3 πr23 - 4/3 πr13)p = (1/2)( 4/3 πr23)X pw
⇒ (r23 – r13) X p = 1/2r23 X 1 = 865 kg/m3
3 years ago
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