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Question 30845
JEE Physics · Medium

Elasticity, Thermal Expansion, Calorimetry and Heat Transfer: Specific Heat MCQ

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Specific HeatMediumQuestion 30845

Question

200 g of water at 80°C is mixed with 200 g at 20°C. Final temperature is:
  1. A
    40°C
  2. B
    50°C
    Correct
  3. C
    60°C
  4. D
    30°C

Correct answer

50°C

Explanation

Equal masses, same specific heat: T = (80 + 20)/2 = 50°C.

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