The formation of shadows, suggests that light travels in
A
vacuum
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B
straight lines
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C
dark rooms
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D
none of these
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Solution
The correct option is B
straight lines
Shadows are created
Because the rays travel in a straight line and cannot turn the corners of the object. Since the light travels straight, the shape of the shadow is the same as the shape of the object.
When the bird is lying on the ground, we can see its shadow formed by the sunlight.