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Standard VIII

Physics

Specific Heat

Two liquids A...

Question

Two liquids $A$ and $B$ are at $20^{\circ} C$ and $50^{\circ} C$ respectively. When equal masses of them are mixed together, the temperature of the mixture becomes $26^{\circ} C$ . The ratio of specific heat capacities of $A$ and $B$ is

3 : 1

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5 : 1

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2 : 1

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4 : 1

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Solution

The correct option is D $4 : 1$
$\frac{S_{A}}{S_{B}} = \frac{(50 - 26)}{(26 - 20)}$
$\frac{S_{A}}{S_{B}} = \frac{4}{1}$

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Two liquids A and B are at 20∘C and 50∘C respectively. When equal masses of them are mixed together, the temperature of the mixture becomes 26∘C. The ratio of specific heat capacities of A and B is

The correct option is D 4:1SASB=(50−26)(26−20) SASB=41

Two liquids $A$ and $B$ are at $20^{\circ} C$ and $50^{\circ} C$ respectively. When equal masses of them are mixed together, the temperature of the mixture becomes $26^{\circ} C$ . The ratio of specific heat capacities of $A$ and $B$ is

The correct option is D $4 : 1$
$\frac{S_{A}}{S_{B}} = \frac{(50 - 26)}{(26 - 20)}$
$\frac{S_{A}}{S_{B}} = \frac{4}{1}$