A Beam of X Rays of Wavelength 0 $\degree$ the Distance Between Adjacent Crystal Planes, in Nm, Is

question 6

Multiple Choice

A beam of x rays of wavelength 0.10nm is found to diffract in second order from the face of a LiF crystal at a Bragg angle of 30 $\degree$ . The distance between adjacent crystal planes, in nm, is about:

• A) 0.15
• B) 0.20
• C) 0.25
• D) 0.30
• E) 0.40

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Definitions:

Hippocampus

A crucial part of the brain involved in memory formation and spatial navigation.

Receny Effect

The tendency to remember and give greater importance to the most recently presented information over older information.

Primacy Effect

A cognitive phenomenon where items or information presented first are remembered better than those presented later.

Short-term Memory Capacity

The amount of information that can be held in the short-term memory for a brief period, typically regarded as lasting 20 to 30 seconds.