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Applications of floatation - class-IX

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Multiple Choice

A cube of size 10 cm is floating in equilibrium in a tank of water. When a mass of 10 gm is placed on the cube, the depth of cube inside water increases by $\mathrm { g } = 10 \mathrm { m } / \mathrm { s } ^ { 2 }$ density of water $= 1000 \mathrm { kg } / \mathrm { m } ^ { 3 } )$

  1. 0.1 m
  2. 1 mm
  3. 1 m
  4. 0.31 m
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