1. A laser beam is reflected off a plane mirror, as shown below. What must be the measure of the angle of incidence of the beam?
Laser location: 1 cm
100
50
100
150
50
250
200
-50
- 150
- 100
-269
-50
- 100
28 | degrees
Plane mirror
Insert beam splitter
Angle
O A degrees
B. 14 degrees
OC 28 degrees
OD 56 degrees
Serbeam 0542 degrees What is 0,"
M
