by Neha Tripathi 24 Jun 2020 SipSci पानी से दीया जलाएं : Hydroelectric cell A hydroelectric cell is a type of galvanic cell that produces electricity by dissociating water molecules. It was invented by Dr. R. K.Continue Reading
by Neha Tripathi 19 Jun 2020 SipSci Must Know Annular Solar Eclipse 2020 An Annular Solar Eclipse occurs when the Sun and Moon are exactly in line with the Earth, but the apparent sizeContinue Reading