| The diagram below shows four beakers of water, P, Q, R and S, at different temperature and volume. |
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| Which one of the following statements is true? |
A) Beaker P has the most heat energy.
B) Beaker R has more heat energy than beaker Q.
C) Beaker S has more heat energy than beaker R.
D) Beaker P and beaker S have the same amount of heat energy.
Correct Answer: B
Solution :
The heat energy present in the beaker depends upon (i) the amount of water present in it, and (ii) the temperature of the water. As the highest amount of water at the highest temperature is present in beaker R, thus beaker R, will have the highest amount of heat energy.
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