Three Polarizing Sheets Are Placed in a Stack with the Polarizing

question 37

Multiple Choice

Three polarizing sheets are placed in a stack with the polarizing directions of the first and third perpendicular to each other.Which of the following angles should the polarizing direction of the middle sheet make with the polarizing direction of the first sheet to obtain zero transmitted intensity when unpolarized light is incident on the stack?

• A)0°
• B)30°
• C)45°
• D)60°
• E)all angles allow light to pass through

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Definitions:

Genes

Segments of DNA located on chromosomes that contain the instructions for the production of proteins, playing a key role in determining the characteristics of an organism and its mode of inheritance.

Lanugo

Fine, downlike covering of the fetus.

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A fetus refers to a developing mammal or human after the embryonic stage and before birth, characterized by rapid growth and the formation of body structures.

Chorion

The outermost membrane surrounding an embryo of a reptile, bird, or mammal, contributing to the formation of the placenta in mammals.