Keywords Physics (5059)

Important Facts That You Must Know First! All matter is made up of tiny particles called molecules and molecules are in continuous random motion. Generally, the strength of the intermolecular forces determinne the shape and volume of matter whereas the arrangement determine the density and compressibility. There is one exception. Liquid takes the shape of … Read more

Important Facts That You Must Know First! An atom has electrons [negative charge], protons [positive charge] and neutrons [no charge]. ONLY electrons [negative charges] move during charging process. Like charges repel and unlike charges attract. Electrical conductors are materials in which electric charges can move freely. Examples of electrical conductors are metals and water [our daily normal … Read more