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Thermodynamics

JEE Main level, single correct, medium

156 of 190

Question 156 of 190

$200g$ water is heated from ${40}^{o}C$ to ${60}^{o}C$ . Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water $=4184$ $J{kg}^{-1}{K}^{-1}$ ):

Show answer and solution

Answer: (D) $16.7kJ$

Assuming isochoric process

Q=∆U

∆U=0.2\times 4184\times 20

=16.7kJ

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Physics practice question on Thermodynamics (Thermodynamic Processes), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

200g200g200g water is heated from 40oC{40}^{o}C40oC to 60oC{60}^{o}C60oC . Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water =4184=4184=4184 Jkg−1K−1J{kg}^{-1}{K}^{-1}Jkg−1K−1):

JEE Main question paper PDF

More Physics practice

$200g$ water is heated from ${40}^{o}C$ to ${60}^{o}C$ . Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water $=4184$ $J{kg}^{-1}{K}^{-1}$ ):