Three essential conditions for shadow formation are a source of light, an object to block the light, and a surface to project the shadow onto. When light is blocked by an object, it creates an area behind the object where light cannot reach, resulting in a shadow being cast on the surface opposite the light source.
Answer
rectiliner propagation
Answer
Answer
That light cannot pass through some materials, and that this leads to the formation of shadows.
googkle
It is a dance sort of like ballroom dancing. It is a pattern or a sort of shadow by a group of people.
Yes if nessary
is a stench pipe nessary
3
Shadows are formed when an opaque object comes in the path of light