A polarized laser beam of intensity 255 W/m2 shines on an ideal polarizer. The angle between the polarization direction of the laser beam and the polarizing axis of the polarizer is 15.0°. What is the intensity of the light that emerges from the polarizer?

A polarized laser beam of intensity 255 W/m2 shines on an ideal polarizer. The angle between the polarization direction of the laser beam and the polarizing axis of the polarizer is 15.0°. What is the intensity of the light that emerges from the polarizer?

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Question

A polarized laser beam of intensity 255 W/m² shines on an ideal polarizer. The angle between the polarization direction of the laser beam and the polarizing axis of the polarizer is 15.0°. What is the intensity of the light that emerges from the polarizer?

Expert Solution

Step 1

$G i v e n t h a t, A p o l a r i z e d l a s e r b e a m o f i n t e n s i t y 255 W / m 2 s h i n e s o n a n i d e a l p o l a r i z e r T h e a n g l e b e t w e e n t h e p o l a r i z a t i o n d i r e c t i o n o f t h e l a s e r b e a m a n d t h e p o l a r i z i n g a x i s o f t h e p o l a r i z e r i s 15.0 ° T h a t m e a n, I_{0} = 255 W / m^{2} & β = 15.0 °$