Students Teachers N.T.I POS Apps Training Search (a) Describe an experiment to show how the frequency of the note emitted by a vibrating string depends on the tension in the string. (SSCE 1994) Click and Start e-Classes Here Dependency of Frequency on Tension Solution Aim: To describe an experiment to show how frequency depends on […]
Students Teachers N.T.I POS Apps Training Search (a) What is diffusion? (b) State two factors which affect the rate of diffusion. This is a process whereby the molecules of a substance migrate from a region of higher concentration to a region of lower concentration due to their random thermal motions. The factors that affect the […]
Students Teachers N.T.I POS Apps Training Search Explain the rise of water in a glass capillary tube using the kinetic theory. Solution Glass and water are composed of molecules. The force of attraction between water molecules and glass molecules are stronger than that among water molecules. Therefore, there is rise in a glass capillary tube. […]