Physics Class 8

Incident Ray: Ray which falls on boundary of separation to enter into the other medium Refracted ray: Ray in the second medium after deviation Normal: A perpendicular passing through the point at the boundary of separation where the incident Ray falls The angle of incidence: Angle between the incident ray and normal The angle of […]

The vast surrounding space includes everything that exists like earth, stars, planets, satellites, etc. The stars are giant balls of gases in space that shine through the darkness and are held together by the force of gravitation The Universe PDF Download PDF