Solve this

Question:

$100 \mathrm{~g}$ of water is heated from $30^{\circ} \mathrm{C}$ to $50^{\circ} \mathrm{C}$ Ignoring the slight expansion of the water, the change in its internal energy is (specific heat of water is $4184 \mathrm{~J} / \mathrm{kg} / \mathrm{K}$ ) :-

  1. $84 \mathrm{~kJ}$

  2. $2.1 \mathrm{~kJ}$

  3. $4.2 \mathrm{~kJ}$

  4. $8.4 \mathrm{~kJ}$


Correct Option: , 4

Solution:

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now