Properties Of Solids And Liquids Question 60

Question: 4200 J of work is required for [MP PMT 1986]

Options:

A) Increasing the temperature of 10 gm of water through 10°C

B) Increasing the temperature of 100 gm of water through 10°C

C) Increasing the temperature of 1 kg of water through 10°C

D) Increasing the temperature of 10 kg of water through 10°C

Show Answer

Answer:

Correct Answer: B

Solution:

Work done to raise the temperature of 100 gm water through 10°C is $ W=JQ=4.2\times (100\times {{10}^{-3}}\times 1000\times 10)=4200J $



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