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A solid floats in a liquid in a partialy...

A solid floats in a liquid in a partialy dipped position.

A

the solid exerts a force equal to its weight on the liquid

B

the liquid exerts a force of buouancy on the solid which is equal to the weight of the solid

C

the weight of the displaced liquid equls the weights of the solid

D

the weight of the dipped part of the solid is equal to the weight of the displaced liquid

Text Solution

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The correct Answer is:
A, B, C
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Knowledge Check

  • A body floats in a liquid if the buoyant force is

    A
    zero
    B
    greater than its weight
    C
    less than its weight
    D
    equal to its weight
  • A body floats in a liquid if the buoyant force is

    A
    zero
    B
    greater than its weight
    C
    less than its weight
    D
    equal to its weight
  • Assertion : A solid is floating in a liquid . If temperature is increased and expansion of solid is ignored, then fraction of volume immersed will increase. Reason : By increasing the temperature density of liquid will decrease.

    A
    If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
    B
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
    C
    If Assertion is true but Reason is false.
    D
    If Assertion is false but Reason is true.
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    A solid floats in a liquid at 20^@ C with 75 % of it immersed. When the liquid is heeated to 100^@ C, the same solid floats with 80% of it immersed in the liquid. Calculate the coefficient of expansion of the liquid. Assume the volume of the solid to be constant.

    Write an expression for the relative density of a solid floating in a liquid in terms of the volume of the solid in the liquid and the total volume of the solid.

    Solids and liquids both expands on heating. The density of substance decreases on expanding according to the relation rho_(2) = (rho_(1))/(1 + gamma(T_(2)- T_(1))) , where , rho_(1) rarr "density at" T_(1) , rho_(2) rarr "density at" T_(2) , gamma rarr coefficient of volume expansion of substances. When a solid is submerged in a liquid , liquid exerts an upward force on solid which is equal to the weight of liquid displaced by submerged part of solid. Solid will float or sink depends on relative densities of solid and liquid . A cubical block of solid floats in a liquid with half ot its volume submerged in liquid as shown in figure (at temperature T ) alpha_(S) rarr Coefficient of linear expansion of solid gamma_(L) rarr "Coefficient of volume expansion of liquid" rho_(S) rarr "Density of solid at temperature" T rho_(L) rarr" Density of liquid at temperature" T If temperature of system increases, then fraction of solid submerged in liquid

    Solids and liquids both expands on heating. The density of substance decreases on expanding according to the relation rho_(2) = (rho_(1))/(1 + gamma(T_(2)- T_(1))) , where , rho_(1) rarr "density at" T_(1) , rho_(2) rarr "density at" T_(2) , gamma rarr coefficient of volume expansion of substances. When a solid is submerged in a liquid , liquid exerts an upward force on solid which is equal to the weight of liquid displaced by submerged part of solid. Solid will float or sink depends on relative densities of solid and liquid . A cubical block of solid floats in a liquid with half ot its volume submerged in liquid as shown in figure (at temperature T ) alpha_(S) rarr Coefficient of linear expansion of solid gamma_(L) rarr "Coefficient of volume expansion of liquid" rho_(S) rarr "Density of solid at temperature" T rho_(L) rarr" Density of liquid at temperature" T The relation between densities of solid and liquid at temperature T is

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