A Gamma-Ray Photon of Energy 1

question 23

Multiple Choice

A gamma-ray photon of energy 1.00 MeV scatters off an electron at an angle perpendicular to its original direction.Calculate the kinetic energy of the recoiling electron.

• A)489 keV
• B)511 keV
• C)663 keV
• D)253 keV
• E)337 keV

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Definitions:

Teratogens

Agents, such as chemicals or viruses, that can reach the embryo or fetus during prenatal development and cause harm.

Diethylstilbestrol

A synthetic estrogen that was prescribed to pregnant women to prevent miscarriages and premature labor, later found to cause significant health issues.

Blastocyst

A stage of early embryonic development in mammals; it is a structure formed about five days after fertilization, consisting of an inner cell mass, a fluid-filled cavity, and an outer layer of trophoblast cells.

Placenta

During pregnancy, an organ arises in the uterus, serving to deliver essential nutrients and oxygen to the developing baby, as well as clearing out the baby’s metabolic waste.