Biotechnological application of microbes : (a)Agricultural – Rhizobium and other Nitrogen fixing bacteria, Biofertilizers and Bio-pesticides ; (b) Industrial – Production of curd; tanning and brewery; synthesis of antibiotics, vitamin. (c) Cloning of microbial genes.
Elasticity : Hooke’s law, elastic modulii, Poisson’s ratio, elastic energy.
Gravitation :
Laws of gravitation, gravitational field and potential, acceleration due to gravity and its variation, escape velocity, Kepler’s laws and planetary motion, motion of satellites, Geostationary orbit.
