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Equal masses of two substance of densiti...

Equal masses of two substance of densities `rho_(1) and rho_(2)` are mixed together. What is the density of the mixture?

A

`(2d_(1)d_(2))/(d_(1)-d_(2))`

B

`(2d_(1)d_(2))/(d_(1)+d_(2))`

C

`(d_(1)d_(2))/(d_(1)+d_(2))`

D

`(d_(1)+d_(2))/(2d_(1)d_(2))`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If equal masses of two liquids of densities d_(1) and d_(2) are mixed together, the density of the mixture is

    A
    `(d_(1)d_(2))/((d_(1)+d_(2)))`
    B
    `(2d_(1)d_(2))/((d_(1)+d_(2)))`
    C
    `(d_(1)d_(2))/(2(d_(1)+d_(2)))`
    D
    `((d_(1)+d_(2)))/(2)`

  • Two substances of densities rho_(1) and rho_(2) are mixed in equal volume and the relative density of mixture is 4 . When they are mixed in equal masses, the relative density of the mixture is 3. the values of rho_(1) and rho_(2) are:

    A
    `rho_(1) = 6 and rho_(2)=2`
    B
    `rho_(1)=3 and rho_(2) = 5`
    C
    `rho_(1) = 12` and `rho_(2) = 4`
    D
    none of these

  • If two liquids of same volume but different densities rho_1 and rho_2 are mixed, then the density of the mixture is:

    A
    `rho=(rho_1+rho_2)/(2)`
    B
    `rho=(rho_1+rho_2)/(2rho_1rho_2)`
    C
    `rho=(2rho_1rho_2)/(rho_1+rho_2)`
    D
    `rho=(rho_1rho_2)/(rho_1+rho_2)`

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