Shadows
Floor
Wall
Torch
Solid Object
Turning torch on
Light rays from torch
Light rays from torch absorbed and reflected by
wall.
It is the reflected light that allows us to see
the wall
Light rays from torch absorbed or reflected by
object
It is this diffused reflection of the light that allows us to see the wall and object. These reflected rays
also allow us to see the back of the object and the wall without direct
torch light
No direct light from torch
No direct light from torch
Shadow of object on
wall.
The shadow is higher than the
object.
This is due to the angle formed by the light rays hitting and missing the object
We can change the height of the
shadow by moving the object and the
torch.