What is wind energy? Advantages and Disadvantages.
Wind energy means the kinetic energy carried by the wind. It has been used as a source of energy on earth since long back. It is being used by humans …
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Advantages and Disadvantages of solar energy
Advantages and Disadvantages of solar energy – Solar energy is the cause of our survival. Without solar energy life is not possible. It also reduce our dependence on non-renewable source …
What is an Optical Pyrometer? – Definition, Construction, Pyrometer Working
Optical Pyrometer To measure the solar radiation a special instrument is used known as pyrometer. Optical Pyrometer is a device which measure the temperature of distant objects. It is based …
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Sun and Solar Energy
In this article we will study how the sun is going to die and the importance of solar energy on earth. Sun is going to die The European Space Agency’s …
Energy source
Classification of energy source :- The energy source can be classified into two types on the basis of their consumption : Primary Energy sources Secondary Energy Sources Primary energy sources …
What is energy in physics? Unit, Types of energy.
Definition of energy What is energy in physics: The simple answer to this question is the ability or capacity to perform work. But in Physics energy is a property of …