MODULE 1 & 2
Energy: Energy is the capacity to do work.
Or
Energy is the quantitative property that must be transferred to an object in order to perform work
on, or to heat, the object.
Or
The amount of work that can be performed by force, measured in joules.
Power : defined as the rate at which work is performed. i.e Power is an energy per unit of time.
where P is power, W is work and t is time, unit is joules/sec (watts)
Page 1
1. Basic Introduction to Energy: Energy and power, forms of energy, primary energy sources, energy flows, world energy
production and consumption, Key energy trends in India: Demand, Electricity, Access to modern energy, Energy production and
trade, Factors affecting India’s energy development: Economy and demographics Policy and institutional framework, Energy
prices and affordability, Social and environmental aspects, Investment.
2. Environment: Introduction, Multidisciplinary nature of environmental studies -Definition, scope and importance, Need for
public awareness. Ecosystem: Concept, Energy flow. Structure and function of an ecosystem. Food chains, food webs and
ecological pyramids, Forest ecosystem, Grassland ecosystem, Desert ecosystem and Aquatic ecosystems, Ecological succession.
