Four Perfectly Polarizing Plates Are Stacked So That the Axis

question 29

Multiple Choice

Four perfectly polarizing plates are stacked so that the axis of each plate is turned 30º clockwise with respect to that of the plate above it.The percentage of the incident unpolarized light that is transmitted by the stack is approximately

• A)zero
• B)0.78%
• C)6.3%
• D)21%
• E)27%

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Definitions:

P-value

The probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is true.

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is true, often denoted by alpha.

One-tailed

Describes tests or confidence intervals that focus on one direction of effect or relationship, either greater than or less than a certain value.

Null Hypothesis

A statement in hypothesis testing that assumes no significant difference or effect exists between certain populations or variables.