Question
An ice berg of density 900 Kg/m3 is floating in water of density 1000 Kg/m3. The percentage of volume of ice-cube outside the water is
Answer: Option C
:
C
Let the total volume of ice-berg is V and its density is ρ. If this ice-berg floats in water with volume Vin inside
it then Vinσg=Vρg⇒Vin=⟮ρσ⟯V [σ = density of water]
or Vout=V−Vin=⟮σ−ρσ⟯V
⇒VoutV=⟮σ−ρσ⟯=1000−9001000=110
∴Vout=10% of V
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:
C
Let the total volume of ice-berg is V and its density is ρ. If this ice-berg floats in water with volume Vin inside
it then Vinσg=Vρg⇒Vin=⟮ρσ⟯V [σ = density of water]
or Vout=V−Vin=⟮σ−ρσ⟯V
⇒VoutV=⟮σ−ρσ⟯=1000−9001000=110
∴Vout=10% of V
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