6) Assertion (A): Light seems to travel in straight
lines.
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Answer:
light always travels in staright line .
Explanation:
1. take a pipe .
2. place a candle at its one end .
3. u can saw light of a candle .
4. now you place an elbow shaped pipe and try to watch it .
5. you were not able to saw the light .
therefore, light travels in a straight line
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