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when a shadow is formed there should be an opaque object the picture can be formed on the screen.
There are many things that happen when you block light with an object. Some of the common things that would happen include reflection and refraction of the light.
When object is closer to source of light ,the shadow formed of the object is shorter and darker.
shadow
A normal shadow.
when a shadow is formed there should be an opaque object the picture can be formed on the screen.
The size of the shadows formed changes if the distance between the object and the screen is also changed. If there is an increase in the distance between the screen and the object, the size of the shadow also increases.
There are many things that happen when you block light with an object. Some of the common things that would happen include reflection and refraction of the light.
When object is closer to source of light ,the shadow formed of the object is shorter and darker.
A shadow is formed when light is blocked by an object.
Put your hand closer to the screen as it will grow bigger
The shadow formed by the point source of light has a screen blocking it. So it is very precise and only forms an umbra. Whereas the other is not as precise and forms an umbra and a penumbra.
The further the light source is from the object, the smaller the shadow formed and vice versa.
the angle at which a shadow is formed
shadow
A normal shadow.
as there is no sunlight at 8pm,and shadow is formed when light can not pass through that object casting shadow and if u throw light on tree it will not cast shadow on the ground as it only can happen before sunset.....