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You have two filters that you believe to be polarizing filters. Each alone reduces about one-half of the light coming through. When one is placed on top of the other, the light intensity does not drop much at all.

However, if you flip the top filter along the vertical axis all the light coming through is blocked.

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Which of the following statements are true?

Select TWO answers.

A

The light waves are transverse and, thus, can be polarized.

B

The top filter blocks transverse waves in the original orientation and the longitudinal waves in the upside down position.

C

The lines of polarization are diagonal in the two filters.

D

The top filter absorbs light when the filter is flipped because it has two layers in the filter. Only the top of that filter is polarized and must be in contact with the bottom filter to work.

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