The conditions for a shadow to form are:-
Explanation:A source of lightAn opaque object Distance of object from the source of light
1) In shallow water
hope it help you
2.a single cell
4.absence of Centrosome
A shadow is a dark area on a bright surface. It is caused by something blocking a source of light. A shadow's outline, called a silhouette,
The following three things are required for a shadow to form:a source of light. an opaque object. a screen or surface behind the object.
A shadow will not form if any of these is absent. This explains why we cannot see a shadow in the dark. It is only when light rays are obstructed by an opaque object that we get a shadow of the object.
Let us perform an activity to learn about the characteristics of a shadow
a wal a source of light and an opaque object
(1) There should be an opaque material.
(2) There should be a source of light and screen.
The object must be placed in the path of light. Then shadow is formed on the screen.
2 is sun
3 is electro magnet
4 is shadow is formed when a opaque abject come in front of light . it should travel in straight line , it should be dark etc
sorry dear l don't know 1 one and
a shadow is formed when there is an obstruction or blockage in the rectilinear path of light . Then the object 's outer structure image is formed. This image is called shadow.
following are few examples from daily life where multiple image is used:
1. barber shop
2. trail room
4. mirror maze