Given, Side of a square = a = 6 cm We know that, the perimeter of a square = 4a Therefore, the perimeter of the given square = 4 × 6 cm = 24 cm... View Article
Goods are first produced in factories, farms and homes (depending on the type of business). However, it does not mean that a consumer needs to... View Article
Petroleum is a crude oil. It forms under the seas and oceans after millions of years due to the decomposition of dead remains of plants and animals.... View Article
The molecular mass of a substance is the relative mass of its molecule as compared to the mass of the Carbon-12 atom taken as 12-units.... View Article
The chlorenchyma are parenchymal cells that comprise chloroplasts. The chlorenchyma hence serves as the cell that promotes photosynthesis. In the... View Article
The unit of electrical energy consumed is kWh. One kilowatt-hour is the electrical energy consumed by an electrical appliance of power 1 kW when... View Article
A photoemissive cell, generally known as a phototube, uses the principles of the photoelectric effect, the phenomenon whereby light-sensitive... View Article
Mass of the body decreases slightly when it is negatively charged because when a body attains a negative charge, it has excess electrons in it.... View Article
In which case change in entropy is negative? Expansion of gas at a constant temperature Evaporation of water Sublimation of solid to gas 2H(g)... View Article