Answering Exams

When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

A. Visible (correct)
B. Transparent
C. Invisible
D. opaque
E. None of these

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