Question

4. Complete the following table:
Source of light
Conditions
Characteristics of shadow formed
Umbra
Penumbra
Point source
of light
Extended
source of light
bigger than
the object
Screen moved away from
the object
Screen moved closer to
the object
Source of light moved
away from the object
Source of light moved
closer to the object
Screen moved away from
the object
Screen moved closer to
the object
Source of light moved
away from the
object
Source of light moved
closer to the object
Screen moved away from
the object
Screen moved closer to
the object
Source of light moved
away from the object
Source of light moved
closer to the object
Extended
source of light
smaller than
the object​

Answer 1

Answer:

If you move the screen away from the object, the shadow increases in size.

Answer 2

I couldn’t understand??