Why does velocity increase when water flowing in broader pipe enters a narrow pipe?

Does the water stop flowing ?why?

When velocity of a body increases, its acceleration is

Two water pipes of diameter 2 cm and 4 cm are connected in series to main water source, the velocity of water flow through 2 cm pipe as compared to that through 4 cm pipe will be

Statement-1 : The stream of water flowing at high speed from a garden hose pipe tends to spread like a foundtion when held vertically up, but tends to narrow down when held vertically down. Statement-2 : In any steady flow of an incompressible fluid, the volume flow rate of the fluid remain constant.

With increases in temperature the frequency of sound in an organ pipe

Why does a greased razor blade float on the surface of water ?

When light enters from air to water, then its