The ____ is the speed at which light can travel through a material.

A. optical property
B. diffractive index
C. internal reflection
D. vacuum ratio


Answer: A

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A(n) ____________________ is similar to an O-ring and will withstand axial movement.

Fill in the blank(s) with the appropriate word(s).

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Animals and birds prefer particular types of foliage for food or to nest in

Indicate whether the statement is true or false

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What is the maximum safe secondary current for a 40 VA transformer that has a primary voltage of 240 V and a secondary voltage of 24 V?

A) 24 V ÷ 40 VA = 0.6 A B) 240 V ÷ 24 V = 10 A C) 40 VA ÷ 24 V = 1.67 A D) 240 V ÷ 40 VA = 6 A

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A 1/6 bend is equal to __________ degrees.

Fill in the blank(s) with the appropriate word(s).

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