Class 12 Physics Study materials – Free Download

Class 12 students can download study materials in Physics here. The materials are prepared by experts in the field and can be used for first time study or  for a quick revision. Electrostatics Current Electricity Magnetic Effect of Current and Magnetism Electromagnetic induction and AC Electromagnetic Waves Optics Dual Nature of matter and energy Atoms [...]

A short introduction to Optics and the Nature of Light

INTRODUCTION LIGHT is a form of energy which causes the sensation of vision. Optics is the branch of Physics which studies the nature of light and the various phenomena associated with it. Nature of Light The nature of light was not at all thought until Newton attempted on it. Newton’s Corpuscular Theory According to Sir … Continue reading A short introduction to Optics and the Nature of Light


Important points Sound is a form of energy which produces the sensation of hearing. Sound is produced due to vibrations in the body and travels in all directions away from the source. Sound requires a medium for propagation. It cannot travel in vacuum. Sound travel faster in solid than in liquids or gases. The velocity … Continue reading SOUND