Laser light is polarized and has an intensity of 10 W/m2. A polarizer is placed in...

Laser light is polarized and has an intensity of 10 W/m2. A polarizer is placed in the path
of the laser. The intensity is measured again at 5 W/m2. What is the angle of the
polarizer with respect to the initial polarization?

A. 15 deg B. 20 deg C. 30 deg D. 45 deg

Expert Solution

Here,

let the angle of polarizer with initial polarization is theta

as I = Io * cos^2(theta)

5 = 10 * cos^2(theta)

cos(theta) = 1/sqrt(2)

theta = 45 degree

the angle of polarizer with initial polarization is D) 45 degree

genius_generous answered 2 years ago

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