The diagram below shows four beakers of water P, Q, R and S, at different temperature and volume. Which one of the following statements is true?
Beakers A and B have the same amount of air initially. The beakers are dipped in water at different temperatures. Which of the following statements is correct with respect to the given figure?
If the water at room temperature is cooled down to a temperature below freezing point, which of the following statements will be true?