How does an object sometimes have multiple shadows of varying shades yet have only 1 light source?

Question

How does an object sometimes have multiple shadows of varying shades yet have only 1 light source?

In: 1

Answer 1

The simple answer is there is more than one light source. It can be achieved with an LED array bulb where there are multiple, sometimes tens of small LED lights in a single bulb or it can be caused by reflection.