Shorttitle There is peculiar similarity between equations of Einstein, Newton and Archimedes that we get indeterminate form i.e. 0/0, under some conditions. It means at one point the equations breakdown, it has been pointed out for first time. Also derivation of Einstein's mass energy equation, which is a basis for atom bomb, contradicts the law of conservation of matter /energy under various conditions. Thus generalized equation is derived and applied in various phenomena. In some nuclear phenomena, Einstein's equation has not been confirmed. An attempt has been made to answer the basic question, how first particle of universe was created? What is the cause of gravitation? These aspects are explained on the basis of generalized form of equation. Further 2265 years old Archimedes principle has been generalized, so that it may account for the eluded factors like shape of body, viscosity, surface tension, magnitude of medium etc. Also an alternate theory on rising, falling and floating bodies is developed. Thus this book deals with basic aspects of science.