Reaction Energy: the Reaction Energy (Q Value) for a Particular

question 34

Multiple Choice

Reaction energy: The reaction energy (Q value) for a particular reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?

• A) 0.75
• B) 0.25
• C) 3.0
• D) 4.0
• E) 5.0

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Definitions:

Hue

A color or shade, particularly one that indicates the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow.

Iris

The colored part of the eye that controls the size of the pupil and thus the amount of light that enters the eye.

Pupil

The adjustable opening in the center of the eye through which light enters, its size regulated by the iris.

Sclera

The tough, white outer layer (coat) of the eyeball that, along with the cornea, helps to maintain the shape and protect the interior of the eye.