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  • 5g water at 100C is mixed with 5 g of water at 400C , then final temprature (in celcius) of the mixture is Option: 1 20

5g water at 100C is mixed with 5 g of water at 400C , then final temprature (in celcius) of the mixture is 

Option: 1 20

Option: 2 25

Option: 3 30

Option: 4 35

Answers (1)

As we have learned

If m1 = m2 and c1 = c2 -

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

-

 

 \theta = \frac{\theta _1+\theta_2}{2}= \frac{40+10}{2}= 25 ^{\circ}C

 

Posted by

Ramraj Saini

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