Definition of Hemisphere. Hemisphere is the exact half of a sphere. More About Hemisphere. When a plane cuts across a sphere at its center, it forms two hemispheres. Surface area of a hemisphere of radius r is given by 2pr2. Volume of a hemisphere of radius r is given by 2/3pr3.
First, low water in the toilet BOWL case. If the water in the toilet BOWL is low after flushing, I see four likely causes, in order of most likelihood -. 1) the fill valve is not putting enough water into the toilet bowl.
The phantom flush--that mysterious phenomenon in which your toilet seems to flush itself--can be little jarring late at night, not to mention a waste of water. the quick fix The problem is usually caused by water slowly leaking from the cistern into the bowl because of a worn-out flapper valve.