Question

two nozzles of 7 mm diameter each are connected with a free to rotate hinge on the same side across tap of water.the nozzles at distance of 40 cm and 50 cm from centre of tap.the rate of flow of water through tap is 180 cm3/s .the nozzles discharge water in downward dierction determine angular speed at which sprinkled should rotate free​

Answer 1

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.