Properties Of Solids And Liquids Question 81

Question: 50 gm ice at 0°C in insulator vessel, 50g water of 100°C is mixed in it, then final temperature of the mixture is (neglect the heat loss) [RPMT 2001]

Options:

A) 10°C

B) $ 0{}^\circ «T _{m}<20{}^\circ C $

C) 20°C

D) Above 20°C

Show Answer

Answer:

Correct Answer: A

Solution:

$ {\theta _{\text{mix}}}=\frac{{\theta _{W}}-\frac{{L _{i}}}{C _{W}}}{2}=\frac{100-\frac{80}{1}}{2}=10{}^\circ C $



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