What confusion do you get from the fact that when an object is placed in the path of light a shadow is fromed behind the object?????????
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Answer:
Given:
A shadow is being formed behind an object when object is placed in the path of light .
To conclude:
We can see that when an opaque object is being placed in the path of light, a black region(devoid of light) is being formed. This region is called SHADOW.
This region appears black in colour because ,light is unable to bend around the corners of the object.
So light is travelling in a straight line.
This property is called
" RECTILINEAR PROPAGATION OF LIGHT".
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