When an X-Ray Beam with a Wavelength of 120 Pm

question 32

Multiple Choice

When an X-ray beam with a wavelength of 120 pm strikes the surface of a crystal with a lattice spacing of 165 nm,what is the maximum reflection angle with a value of n=1?

• A) 54.0°
• B) 21.3°
• C) 32.6°
• D) 18.4°
• E) 38.3°

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Definitions:

Pervasive Developmental Disorders (PDDs)

A group of disorders characterized by delays in the development of socialization and communication skills, including autism and Asperger's syndrome.

Autism Spectrum Disorders

A range of developmental conditions characterized by challenges with social skills, repetitive behaviors, and communication, with symptoms and severities varying widely among individuals.

Schizophrenia

A severe mental disorder characterized by disturbances in thought, perception, and behavior, leading to a loss of contact with reality.

Multiaxial Classification

A clinical approach that considers multiple aspects of a person’s mental health across different axes or dimensions.