shadows are formed when opaque bodies obstruct the path of light.When light falls on an opaque body it does not allow light to pass hence light falls behind it in the surrounding regions and a shadow is formed
A shadow is formed when light is blocked by an object.
when a shadow is formed there should be an opaque object the picture can be formed on the screen.
the angle at which a shadow is formed
shadow
A normal shadow.
shadow
at noon the shadow is point sized {smaller} and in morning and evening the shadow is the longest.
The shadow formed would be tetrahedrons with an nostalgic way of cooperating with the society at that time.
In total darkness.
because the tree is blocking the light source so it forms a shadow.
Shadow
A shadow.