Chemistry: Periodic Table

1.8K Views December 11, 2020 Be first to comment admin

Periodic tableHistorical development of periodic tableClassification of the elements began with Lavoisier, whose classification was based on …

Physics: Optical Instruments And Applications

1.8K Views December 10, 2020 Be first to comment admin

Optical instruments: ApplicationsMicroscopes: one of the applications of light waves is seen in the operation of a …

1.9K Views December 10, 2020 Be first to comment admin

Electrochemical cellsThe set up in which chemical energy is converted to electrical energy is called an Electrochemical …

1.8K Views December 9, 2020 Be first to comment admin

Propagation of sound waves(A) Source of sound waveSound is a form of wave motion which is conveyed …

1.7K Views December 9, 2020 Be first to comment admin

Reflection of light waves(A)nature and sources of lightLight is a wave, it is a visible form of …