Suppose a horizontal laser beam is reflected off a plane mirror that is perfectly smooth and flat. At first, the mirror is angled upward at 4 degrees, measured from the vertical. Then, the angle of the mirror is changed to 6 degrees upward. How would the angle formed by the incoming laser beam and the reflected laser beam change?
A. The angle between the beams would be unchanged.
B. The angle between the beams would increase from 2 degrees to 3 degrees.
C. The angle between the beams would increase from 4 degrees to 6 degrees.
D. The angle between the beams would increase from 8 degrees to 12 degrees.
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Suppose a horizontal laser beam is reflected off a plane mirror that is perfectly smooth and flat. A...
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