alleryStart learning →Why do water pipes sometimes bang when a tap is shut very fast?
AWater stops fast and pushes
BWater turns to solid ice
CWater changes into a gas
DThe pipe has no water
Answer & Solution
Correct answer: A. Water stops fast and pushes
The moving water is stopped quickly and cannot be squeezed, so a big push travels back along the pipe.
Keep practising Matter and Materials
Browse all Matter and Materials questions for Olympiad (Class 4), or explore more Science topics.
Related questions
Liquids and gases are both called fluids. What can fluids do that solids cannot?Three bottles hold a solid, a liquid and a gas. Which one will always fill the whole bottlA steel spoon is left in a hot cup of tea. What will happen to the handle?Which of these is a good material to make a window, so that light can pass through?A hard block of ice is heated and becomes water. Which change of state is this?Which of these is a liquid mixture made of oil, vinegar and similar parts?Which of these is a liquid at normal room conditions?A thermometer has a silver liquid metal inside. Which metal is it likely to be?