Polarized Light Passes Through a Polarizer

question 1

Multiple Choice

Polarized light passes through a polarizer.If the electric vector of the polarized light is horizontal what,in terms of the initial intensity I₀,is the intensity of the light that passes through a polarizer if the polarizer is tilted 22.5° from the horizontal?

• A) 0.854I₀
• B) 0.147I₀
• C) 0.191I₀
• D) 0.011I₀

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Definitions:

Cardiac Cycle

The sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, including systole and diastole, and blood flow.

Systole

The phase of the cardiac cycle during which the heart muscles contract and pump blood from the chambers into the arteries.

Diastole

The phase of the heart cycle during which the heart muscle relaxes and allows the chambers to fill with blood.

Hypertension

A chronic medical condition where blood pressure in the arteries is persistently elevated.