A Researcher Is Investigating a Cubic Crystal with X-Rays

question 15

Short Answer

A researcher is investigating a cubic crystal with x-rays. He is looking at Bragg reflection from the planes parallel to the cube faces. He finds that when using x-rays of 0.165 nm a strong first maximum occurs when the beam makes an angle of 23.5° with the planes. What is the spacing of adjacent atoms in the crystal?

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Definitions:

Humanistic Therapy

A therapeutic approach that focuses on understanding the human condition and emphasizes personal growth, self-awareness, and freedom of choice.

Self-healing Capacities

The innate ability of the human body and mind to recover from illness, trauma, or disease without medical intervention.

Dream Analysis

A therapeutic technique primarily in psychoanalysis where dreams are interpreted to uncover underlying thoughts and feelings.

Psychoanalysis

A therapeutic approach and theory of psychology developed by Sigmund Freud, focusing on unconscious processes and childhood experiences.