A 10-MW Vertically Polarized Laser Beam Passes Through a Polarizing

question 37

Multiple Choice

A 10-mW vertically polarized laser beam passes through a polarizing filter whose axis is 30 degrees from the horizontal followed by another polarizing filter with its axis horizontal.What is the power in the laser beam that emerges from the polarizer?

• A)2.5 mW
• B)7.5 mW
• C)5.6 mW
• D)1.9 mW

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