The Spacing of the Atoms of a Crystal Is 159

question 12

Multiple Choice

The spacing of the atoms of a crystal is 159 pm.A monoenergetic beam of neutrons directed normally at the surface of the crystal undergoes first order diffraction at an angle of 58° from the normal.What is the energy of each of the neutrons? (m_neutron = 1.675 × 10^-27 kg,1 eV = 1.6 × 10^-19 J,h = 6.626 × 10^-34 J ∙ s)

• A)0.045 eV
• B)0.039 eV
• C)0.050 eV
• D)0.056 eV
• E)0.061 eV

Identify common types of hearing impairments and their treatments.

Learn about the taste perception and the structure of taste buds.

Understand the various somesthetic senses and their roles.

Identify the primary components and pathways of the olfactory system.

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Definitions:

Capillary Bed

A network of capillaries in a tissue or organ, allowing for the exchange of nutrients, gases, and waste products between blood and tissues.

Femoral Artery

A major artery in the thigh that supplies blood to the lower limb.

Popliteal Artery

A vital artery located behind the knee that supplies blood to the lower leg, knee, and thigh.

Internal Carotid Artery

The major artery that supplies blood to the brain, originating from the common carotid artery and running through the neck into the skull.