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Quiz

PHYS 101 Quiz: Test 3 Study Guide


Department
Physics
Course Code
PHYS 101
Professor
Massimo Bertino
Study Guide
Quiz

Page:
of 2
1. Are there any uses for depleted Uranium?
a) As raw material for armor-piercing bullets.*
b) Not at all.
c) As a construction material.
2. Are mineral deposits rich in Uranium common?
a) Yes, common. *
b) No, they are very rare.
3. Are there any significant amounts of Uranium-containing ore in Virginia?
a) Yes. *
b) No.
4. What is a thermoluminescent dosimeter?
a) A type of radiation detector seldom commonly used in practice. *
b) A type of radiation detector seldom seldom used in practice.*
c) An experimental type of radiation dosimeter. *
5. Did radioactive isotopes from the Fukushima accident reach the US?
a) Yes, but in negligible amounts. *
b) Yes, in considerable amounts.
c) Yes, but only Alaska was affected.
6. Which of these technical hurdles is the most difficult in order to produce a fission device.
a) Enriching Uranium. *
b) Building a rocket to deliver it.
c) Designing the explosives to trigger it.
d) Mining Uranium.
7. Typically, a breeder reactor is used to
a) Produce energy.
b) Generate Pu-239 *
c) Generate U-239
8. Depleted Uranium is
a) leftover uranium after enrichment, i.e., mostly U-238*
b) Leftover uranium after enrichment, i.e., mostly U-235.
9. What is a “dirty” atomic bomb?
a) A bomb that exploded near a sewer
b) An atomic bomb that did not explode correctly.
c) A device using conventional explosive to disseminate radioactive material. *
d) None of the above.
10. According to Planck’s theory, light with long wavelength carries
a) More energy than light with short wavelength.
b) Less energy than light with short wavelength. *
c)
11. The temperature of a yellow star is on the order of
a) 3,000 K
b) 5,000 K *
c) 10,000 K
d) 30,000 K
e)
12. Which of these assumptions is at the core of Planck’s theory
a) E = mc2.
b) E = hf *
c) All of the above.
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13. Why do I need to put a patient in contact with an X-ray detector, and cannot image from a
distance.
a) Because it is practical.
b) Because we cannot make X-ray lenses. *
c) Because X-ray lenses have a lot of aberrations.
14. What is a main component of sunscreens?
a) Si.
b) SiO2.
c) LiF
d) None of the above. *
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find more resources at oneclass.com