User:Marshallsumter/Radiation astronomy2/Protons/Quiz

Proton astronomy is a lecture and an article as part of the radiation astronomy course on the principles of radiation astronomy.

You are free to take this quiz based on proton astronomy at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the template. This should give you adequate background to get 100 %.

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To master the information and use only your memory while taking the quiz, try rewriting the information from more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz
{Complete the text: At the high end of the proton energy spectrum (above ≈ 1018 eV) the { Larmor (i) } radius deflection becomes { small (i) } enough that proton astronomy becomes { possible (i) }.
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{Yes or No, It has recently been suggested by Cane et al. 2002 that a class of type III solar radio bursts, called type III-l, is reliably associated with intense solar energetic particle (SEP) events. + Yes - No
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{The slowing down of a projectile proton due to the inelastic collisions between bound electrons in the medium and the proton moving through it? { electronic stopping power (i) }
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{True or False, An antiproton is a proton moving backward in time. - TRUE + FALSE
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{Complete the text: Match up the radiation letter with each of the detector possibilities below: Meteors - A Cosmic rays - B Neutrons - C Protons - D Electrons - E Positrons - F Neutrinos - G Muons - H Gamma rays - I X-rays - J Ultraviolet rays - K Optical rays - L Visual rays - M Violet rays - N Blue rays - O Cyan rays - P Green rays - Q Yellow rays - R Orange rays - S Red rays - T Infrared rays - U Submillimeter rays - V Radio rays - W Superluminal rays - X multialkali (Na-K-Sb-Cs) photocathode materials { L (i) }. F547M { Q (i) }. 511 keV gamma-ray peak { F (i) }. F675W { T (i) }. broad-band filter centered at 404 nm { N (i) }. a cloud chamber { B (i) }. ring-imaging Cherenkov { X (i) }. coherers { W (i) }. effective area is larger by 104 { H (i) }. F588N { R (i) }. pyroelectrics { U (i) }. a blemish about 8,000 km long { A (i) }. a metal-mesh achromatic half-wave plate { V (i) }. coated with lithium fluoride over aluminum { K (i) }. thallium bromide (TlBr) crystals { O (i) }. F606W { S (i) }. aluminum nitride { J (i) }. heavy water { G (i) }. 18 micrometers FWHM at 490 nm { P (i) }. wide-gap II-VI semiconductor ZnO doped with Co2+ (Zn1-xCoxO) { M (i) }. a recoiling nucleus { C (i) } high-purity germanium { I (i) }. magnetic deflection to separate out incoming ions { E (i) }. 2.2-kilogauss magnet used to sweep out electrons { D (i) }.
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{True or False, A small amount of aluminum-26 is produced by collisions of magnesium atoms with cosmic-ray protons. - TRUE + FALSE
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{Complete the text: Match up the item letter with each of the possibilities below: Meteors - A Cosmic rays - B Neutrons - C Protons - D Electrons - E Positrons - F Gamma rays - G Superluminals - H X-ray jets { C (i) } the index of refraction is often greater than 1 just below a resonance frequency { H (i) }. iron, nickel, cobalt, and traces of iridium { A (i) }. Sagittarius X-1 { G (i) }. escape from a typical hard low-mass X-ray binary { F (i) }. collisions with argon atoms { B (i) }. X-rays are emitted as they slow down { E (i) }. Henry Moseley using X-ray spectra { D (i) }.
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{True or False, The spin carried by quarks is not sufficient to account for the total spin of protons. + TRUE - FALSE
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{Which of the following is not in the history of neutrino astronomy? - Enrico Fermi coined the term "neutrino" + Wolfgang Pauli postulated the muon neutrino - in the Cowan–Reines neutrino experiment, antineutrinos are created - a hydrogen bubble chamber was used to detect neutrinos - Niels Bohr was opposed to the neutrino interpretation of beta decay - a neutrino hitting a proton is detectable
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{What is a pfu? - a measure of neutron half-life suggested by Enrico Fermi + a particle flux + a unit per steradian (sr) - the number of bubbles generated in a hydrogen bubble chamber used to detect neutrinos - Niels Bohr was opposed to the pfu interpretation of beta decay - a measure of the scatter energy of a neutrino hitting a proton
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{True or False, The radius of the proton is 4 percent smaller than previously estimated. + TRUE - FALSE
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{Space radiation may be classified according to origin as? + galactic cosmic radiation - charged particles in large clouds + solar particle radiation - interaction with the geo-electric field - protons and electrons + geomagnetically trapped particle radiation
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{True or False, The infrared spectra of olivine and enstatite are essentially unchanged after proton bombardment. + TRUE - FALSE
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{A collimated stream, spurt or flow of liquid or gas or plasma in a narrow cone of particles? { jet|a jet (i) }
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{If there was no nuclear force, all nuclei with two or more protons would fly apart because of the electromagnetic? { repulsion (i) }
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{True or False, A proton and neutron will have lower energy when their spins are anti-parallel, not parallel. - TRUE + FALSE
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{As an analysis method NRA may be associated with which phenomena? + a concentration vs. depth distribution - charged particles in large clouds + target elements may undergo a nuclear reaction - projectile stopping power is unknown - proton elastic scattering + a nuclear method in materials science
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{The evolution of organics to carbonaceous material induced by proton irradiation is a well established phenomenon independent of the type of original carbon containing material. + TRUE - FALSE
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{Complete the text: Diamond nanocrystals (size 100 nm) emit bright { luminescence (i) } at 600–800 nm when exposed to green and yellow photons. The photoluminescence, arising from excitation of the { nitrogen-vacancy|nitrogen vacancy (i) }defect centers created by proton-beam { irradiation (i) } and thermal annealing, closely resembles the extended red emission (ERE) bands observed in reflection nebulae and { planetary (i) } nebulae. The central wavelength of the emission is 700 nm.
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{The cosmic infrared background (CIB) causes a significant attenuation for very high energy protons through inverse Compton scattering, photopion and electron-positron pair production. + TRUE - FALSE
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Hypotheses

 * 1) More technical details in questions may be better.