by Rajan Gupta | Aug 8, 2020 | Articles
Recombination of spectrum colours means the combining together of seven colours of white light produced by a prism to give back the white light. This can be done by doing following experiment. Previous...
by Rajan Gupta | Aug 8, 2020 | Articles
Allotropy may be defined as existence of an element in two or more different forms that has same chemical properties but different physical properties. Carbon element exists in two allotropic forms:- Diamond & Graphite. Graphite is an important allotropic form of...
by Rajan Gupta | Aug 8, 2020 | Articles
Air is a mixture of many gases. The molecules of gases present in air have weak inter-molecular forces of attraction. Due to this reason these molecules lie far apart from each other i.e. there are large vacant spaces present between these molecules. So, these...
by Rajan Gupta | Aug 8, 2020 | Articles
Combination of Resistances in Series When two or more resistances are connected end to end so that same current flows through each resistor they are said to be connected in series. So, when some resistances are joined in series, the total resistance of given series of...
by Rajan Gupta | Aug 8, 2020 | Articles
A colloid is a heterogeneous mixture. The size of particles of a colloid is too small to be individually seen by naked eyes. They do not settle down when left undisturbed, that is, a colloid is quite stable. The particles of a colloid are uniformly spread throughout...
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