Germanium reacts with oxygen in the air to form germanium dioxide. Ge(s) + O2(g) GeO2(s) To know about oxygen in a detailed and interesting... View Article
The characteristics of conduction are: Heat transfer takes place between objects by direct contact. The heat transfer in conduction is slow... View Article
The most common peroxide is hydrogen peroxide. Hydrogen peroxide is the most common disinfectant. To know about the structure of hydrogen... View Article
Disadvantages of hydrogen peroxide are: It is a highly powerful oxidizer and can react with many chemicals. When in contact with eyes, it... View Article
Example of magnetic energy are: The generator uses magnetic energy to operate. Magnetic energy is used in machinery to hold the metal parts... View Article
Gravitational redshift is seen with respect to the Sun. Hence light acquires deep red colour because of the influence of gravity. Einstein wrote,... View Article
1) sin 2α 2) cos 2β 3) cos 2α 4) sin 2β Answer: (3) cos 2α Solution: 2 sin2β + 4 cos (α + β) sin α sin β + cos 2(α + β) Using the formula... View Article