answer the following question in short.
We are not able to see things behind a wall. What does this fact tell us about light?
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answer the following question in short.
We are not able to see things behind a wall. What does this fact tell us about light?
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That a wall is opaque. Light cannot pass through it.
Answer:
because wall is opac objects which didn't allows light to pass through .So, light doesnot travel in opac object