Properties Of Solids And Liquids Question 32

Question: 50 gm of copper is heated to increase its temperature by 10°C. If the same quantity of heat is given to 10 gm of water, the rise in its temperature is (Specific heat of copper = 420 Joule-kg?1 °C?1) [EAMCET (Med.) 2000]

Options:

A) 5°C

B) 6°C

C) 7°C

D) 8°C

Show Answer

Answer:

Correct Answer: A

Solution:

Same amount of heat is supplied to copper and water so mcccΔθc=mWcWΔθW therefore ΔθW=mccc(Δθ)cmWcW=50×103×420×1010×103×4200=5C



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