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  • If 5mg of a liquid at temperature T and specific heat 2s is mixed with 5mg of another liquid with temprature 2T and specific heat 3s then final temprature of mixture is <div class='qna-opt

If 5mg of a liquid at temperature T and specific heat 2s is mixed with 5mg of another liquid with temprature 2T and specific heat 3s then final temprature of mixture is 

Option: 1

\frac{2T}{3}


Option: 2

\frac{8T}{3}


Option: 3

\frac{8T}{5}


Option: 4

\frac{3C}{2}


Answers (1)

best_answer

As we have learned

If m1 = m2 -

\theta_{mix}=\frac{\theta_{1}c_{1}+\theta_{2}c_{2}}{c_{1}+c_{2}}

- wherein

If bodies are of same mass.

 

 T^{mix} = \frac{s_1 \theta _1+s_2\theta _2}{s_1+s_2}\\\\ = \frac{2sT+3s\cdot 2T}{5s}\\\\ = \frac{8T}{5}

 

Posted by

SANGALDEEP SINGH

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