Concept of Energy
Concept of Energy: Overview
This topic explains concepts such as Energy, etc.
Important Questions on Concept of Energy
What is the difference between energy and work done?

The energy produced by converting one microgram of matter completely into energy will be

Which of the following are sustainable energy sources?

Convert to nearest integer in kilojoules.


A force is applied upon a body of then its velocity increases from to . Determine work done by the force in joules.




Name the type of energy possessed by green plants after performing photosynthesis.

State the type of energy possessed by a hot electric iron.

State the type of energy possessed by the Sun.

State the type of energy possessed by a burning matchstick.


What is electric energy? How is electrical energy is produced in following of the plants? Explain.
(a) Hydro electric plant
(b) Wind electric plant
(c) Solar energy plant

How work, energy and power are related to each other?

What is energy? Write the unit of energy?

What is the commercial unit of electrical energy?


Name the energy possessed by the nucleus of an atom.
