Today in class we we went over why when you shine the laser, only certain people at a certain angle can see it.
We had half of the class stand in front of the room, and the other half of the class stayed seated. Mr. finley shined the laser at the mirror, and some of the people in the front of the room could not see it. But the people sitting down could. Why do you think this is?
I think that because the the laser was reflecting off the the mirror and bouncing to the people on the other side of the rooms eyes, and we could not see it. The dot on the wall bounces off in every direction but when u shine it at a reflected surface it will bounce off one ray at the same angle as the incident angle.
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