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Gamma ray: Quiz


Question 1: Because they are a form of ________, gamma rays can cause serious damage when absorbed by living tissue and, are therefore a health hazard.
Radiation therapyNuclear fissionIonizing radiationX-ray

Question 2: By comparison, risk of dying from cancer was increased by 32 percent for the survivors of the ________.
Timeline of the Manhattan ProjectManhattan ProjectSurrender of JapanAtomic bombings of Hiroshima and Nagasaki

Question 3: Gamma rays (denoted as γ) are ________ of high frequency (very short wavelength).
Electromagnetic radiationClassical electromagnetismMaxwell's equationsElectromagnetism

Question 4: By interaction with the ________ of a nucleus, the energy of the incident photon is converted into the mass of an electron-positron pair.
Maxwell's equationsLorentz forceElectric fieldMagnetic field

Question 5: Due to their tissue penetrating property, gamma rays/X-rays have a wide variety of medical uses such as in CT Scans and radiation therapy (see ________).
Ionizing radiationX-rayNuclear fissionNuclear fusion

Question 6: They are better absorbed by materials with high ________ and high density, although neither effect is important compared to the total mass per area in the path of the gamma ray.
Chemical elementHafniumAtomic numberPeriodic table

Question 7: Paul Villard, a French chemist and physicist, discovered gamma radiation in 1900, while studying radiation emitted from ________.

Question 8: Despite their cancer-causing properties, gamma rays are also used to treat some types of ________.

Question 9: The molecular changes can also be used to alter the properties of ________, and is often used to change white topaz into blue topaz.

Question 10: However, as a form of ionizing radiation they have the ability to effect molecular changes, giving them the potential to cause cancer when ________ is affected.


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