Two Polarizing Films Are Crossed with Their Transmission Axes Making

question 101

Multiple Choice

Two polarizing films are crossed with their transmission axes making an angle of θ = 20° with each other. The vectors that represent the plane-polarized wave train passed by the second polarizing film are

• A) 1 - 1'.
• B) 2 - 2'.
• C) 3 - 3'.
• D) 4 - 4'.
• E) None of these is correct because no light passes through the second disk.

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Definitions:

Power

In statistics, the probability that a test will correctly reject a false null hypothesis; essentially, the test's sensitivity to detect an effect when there is one.

Likelihood Of Error

The probability or chance that a statistical conclusion may be incorrect or misleading.

Mean

An average of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Z Score

A numerical calculation indicating how a specific value's distance from the group's average is expressed in multiple standard deviations.