When students start their preparation for UPSC, there are several questions pop up in their mind. How to start, where to go, what to read,
Science is a systematic approach that collects and builds knowledge. Likewise, they are many scientific discoveries happening in every part of the world. But there
The concept of Fermi Level: In simple term, the Fermi level signifies the probability of occupation of energy levels in conduction band and valence band.
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