what is shadow?how is it foarmed ?give four characteristics of a shadow?
Answers
Answer:
A dark shape on a surface that is caused by Something being between the light that surface.
Characteristics of a shadow :
It depends on shape of the object. ...
It depends on source of light whether it is plane parallel rays or spherical.
It depends on position of the object whether the object is at infinite or finite distance.
It depends on the position of source of light.
Answer:
Shadows are the spaces formed when an object blocks the pathway of light. However, no shadow is formed when the object is transparent since that allows light to pass through...
characteristics of shadow of an Object
(1) The shadow of an object is erect i.e. same side up as the object.
(2) The shadow of an object is real.
(3) Irrespective of the colour of the object the shadow is always black.
(4) The shadow can be smaller than object ,equal or bigger than object.