what evidence do you have that light travels in stright lines?
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Explanation:
Light does appear to travel in straight lines
The fact that light travels can be demonstrated by putting an object in its path. If the object is opaque the result is a degree of blackness on the other side of it which is due to the absence of the light. The dark area is a shadow.
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Answer:
Light does appear to travel in straight lines
The fact that light travels can be demonstrated by putting an object in its path. If the object is opaque the result is a degree of blackness on the other side of it which is due to the absence of the light. The dark area is a shadow.
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