If the Interplanar Spacing of NaCl Is 2 $\degree$ B)720 $\degree$ C)205 $\degree$

question 30

Multiple Choice

If the interplanar spacing of NaCl is 2.814 *10^-10 m,what is the predicted angle at which X-rays of wavelength 0.140 nm will be diffracted in a first-order maximum?

• A)31.3 \(\degree\)
• B)7.20 \(\degree\)
• C)20.5 \(\degree\)
• D)14.4 \(\degree\)
• E)29.8 \(\degree\)

---

Definitions:

Displace

In memory theory, to cause information to be lost from short-term memory by adding new information.

Short-Term Memory

A component of memory where small amounts of information can be temporarily kept for a relatively brief period.

New Information

Newly acquired data, knowledge, or insights that were not previously known to an individual or within a specific context.

Echoic Memory

A subset of sensory memory that deals with auditory information, allowing sounds and words to be remembered briefly after the original stimulus has ceased.