Earth crust is the source of many elements. Out of these elements, 70% are metals. Aluminium is the most abundant metal of earth crust and …
Read More ➜CBSE Class 12 Chemistry Notes – Principal and Processes of Isolation of Elements
Solids Solids are the chemical substances which are characterised by define shape and volume, rigidity, high density, low compressibility. The constituent particles (atoms, molecules or …
Read More ➜CBSE Class 12 Chemistry Notes- The Solid State
Surface Chemistry is the branch of chemistry which deals with the phenomenon that occurs on the surfaces or interfaces, such phenomenon includes corrosion. catalysis, crystallization, …
Read More ➜CBSE Class 12 Chemistry Notes – Surface Chemistry
JEE Main 2019 exam date & exam center allotment date has been released! JEE Main 2019 (I) exam is scheduled from 6th Jan to 20th Jan 2019. The …
Quick revision notes on the topic Photo-eletric effect of the very important unit “Dual Nature of Matter and Radiation” from the numericals point of view. …
Read More ➜CBSE Class 12 Physics – Short Notes on Photoelectric Effect
Topics Covered 1) Gravitational potential energy. 2) Escape velocity. 3) Orbital velocity of a satellite. 4) Geostationary satellites. Gravitational Potential Energy: All conservative forces have …
Read More ➜CBSE Class 12 Physics – Short Notes on Gravitational Potential Energy