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In making an alloy, a substance of specific gravity $s_{1}$ and mass $m_{1}$ is mixed with another substance of specific gravity $s_{2}$ and mass $m_{2}$ ; then the specific gravity of the alloy is

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m1+m2s1+s2

s1s2m1+m2

m1+m2m1s1+m2s2

m1s1+m2s2m1+m2

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detailed solution

Correct option is C

Specific gravity of alloy = Density of alloy Density of water =Mass of alloy Volume of alloy×density of water =m1+m2m1ρ1+m2ρ2×ρw=m1+m2m1ρ1/ρw+m2ρ2/ρw=m1+m2m1s1+m2s2As specific gravity of substance =density of substance density of water

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In making an alloy, a substance of specific gravity s1 and mass m1 is mixed with another substance of specific gravity s2 and mass m2 ; then the specific gravity of the alloy is

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Ready to Test Your Skills?

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In making an alloy, a substance of specific gravity $s_{1}$ and mass $m_{1}$ is mixed with another substance of specific gravity $s_{2}$ and mass $m_{2}$ ; then the specific gravity of the alloy is