What is meant by sources of energy? Give 2 examples.
The different sources from which we can obtain various types of energy are meant by sources of energy. The 2 examples are:
- Sun --> Perpetual source
- Fossil fuel --> Non-renewable source
Give the meaning of E = mc2. Name the scientist who profounded the equation.
The meaning of E = mc2 is when a body is moving at the speed of light, the energy produced would be equal to the product of mass that the body loses and the speed of light.
Here, E = Energy produced,
m = mass defect, and
c = velocity (speed) of light.
The scientist who profounded the equation was Albert Einstein.