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Why does the wooden block float on water...

Why does the wooden block float on water even though it is heavier than a marble ?

Text Solution

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The relative density of wooden block is than the relative density of water whereas relative density of marble (glass) is more than that of water. Hence wooden block floats on water and marble sinks in water.
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Knowledge Check

  • A small stone is inside a ice block which floats in water. When the ice fully melts the level water

    A
    increases
    B
    decreases
    C
    does not change
    D
    first decreases and then increases

  • A small stone is inside a ice block which floats in water. When the ice fully melts the level water

    A
    increases
    B
    decreases
    C
    does not change
    D
    first decreases and then increases

  • (A) : A small stone is inside an ice block which floats in water. When the ice fully melts the level of water decreases. ( R) : Density of stone is more than that of ice.

    A
    Both (A) and (R) are true and (R) is the correct explanation of (A)
    B
    Both (A) and (R) are true and (R) is not the correct explanation of (A)
    C
    (A) is true but (R) is false
    D
    Both (A) and (R) are false

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    A piece of iron when placed on a block of wood, this makes the wood to float lower in the water. If the iron piece is suspended beneath the wood block, would it float at the same depth ? Or lower or higher ?

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