A Certain Crystal Has a Spacing of 0

question 2

Multiple Choice

A certain crystal has a spacing of 0.442 nm between atoms. A beam of neutrons moving with a speed of 1640 m/s perpendicular to the surface is diffracted as it passes through the crystal. What is the angle from the central maximum to the next interference maximum? (m_neutron = 1.675 × 10^-27 kg, h = 6.626 × 10^-34 J ∙ s)

• A) 17.0°
• B) 21.0°
• C) 33.1°
• D) 60.0°
• E) 90.0°

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Definitions:

Early Ambulation

The practice of encouraging patients to walk and move around soon after surgery to promote faster recovery.

Deep Breathing

A relaxation technique that involves inhaling slowly and deeply through the nose, filling the lungs, and then exhaling gradually to reduce stress and increase oxygen levels in the blood.

Chronic Obstructive Pulmonary Disease (COPD)

A group of lung diseases that block airflow and make it difficult to breathe, including conditions like emphysema and chronic bronchitis.

Oxygen Saturation

A measure of the amount of oxygen carried by hemoglobin in the blood, expressed as a percentage of the maximum amount the blood can carry.