When a rubber ball is taken to a depth of _______ $m$ in deep sea, its volume decreases by $0.5 %$
(The bulk modulus of rubber $= 9.8 \times 10^{8} N m^{- 2}$ Density of sea water $= 10^{3} kg m^{- 3}$ , $g = 9.8 m s^{- 2}$ )

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TestHub · Accepted Answer

- d V V = 0 . 5 100 = 0 . 005 B = - d P d V V = ρ g h - d V V 9 . 8 × 10 8 = 10 3 × 9 . 8 × h 5 × 10 - 3 ⇒ h = 500 m

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