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4. -/1 points SerCP11 22.3.P.020. My Notes Ask Your Teacher A laser beam is incident on a 45° 45°-90° prism perpendicular to
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given The laser beam index on us-45-98 0 = 16.8° h 48. Draw the Normal to the surface we get Normak surface ust.16.8 X g 45+0

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