User:Marshallsumter/Radiation astronomy/Atomics/Quiz

Atomic radiation astronomy is a lecture as part of the radiation astronomy department course on the principles of radiation astronomy.

You are free to take this quiz based on [Radiation astronomy/Atomics|Atomic radiation 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 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

Suggestion: Have the lecture available in a separate window.

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: 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) }.
 * type="{}"}

{True or False, The disparity between the atomic number of an atom and its atomic mass is explained by the existence of the neutrino. - TRUE + FALSE
 * type=""}

{An argon-37 atom is converted by a neutrino by the charged current interaction from what atom? { chlorine-37|37Cl (i) }
 * type="{}"}

{Which of the following may be characteristic of magnetohydrodynamics? + driven by current gradients - neutral atoms + closed tube loops + twisted flux + open field lines + synchrotron radiation
 * type="[]"}

{True or False, The fundamental unit was over 1000 times smaller than an atom, suggesting the subatomic particles called delta rays. - TRUE + FALSE
 * type=""}

{The elastic collisions between the projectile ion and atoms in the detector involving the interaction of the ion with the nuclei in the detector material? { nuclear stopping power (i) }
 * type="{}"}

{True or False, The density distributions of a solid or unit of condensed matter involving more than atoms or molecules is not discrete like a spectral density but continuous. + TRUE - FALSE
 * type=""}

{Which of the following are characteristic of positronium? + an exotic atom - a nucleus of neutronium - a decay product of a neutron - a weak interaction + an eletromagnetic interaction + a center of mass
 * type="[]"}

{Complete the text: Match up the radiation type with the satellite: meteor - A cosmic ray - B neutral atoms - C neutron - D proton - E electron - F positron - G neutrino - H gamma ray - I X-ray - J ultraviolet - K optical - L visual - M violet - N blue - O cyan - P green - Q yellow - R orange - S red - T infrared - U submillimeter - V microwave - W radio - X radar - Y superluminal - Z { M (i) }. { X (i) }. { J (i) }. { Z (i) }. { N (i) }. { I (i) }. { Y (i) }. { H (i) }. { C (i) }. { P (i) }. { E (i) }. { W (i) }. { O (i) }. { A (i) }. { Q (i) }. { G (i) }. { K (i) }. { V (i) }. { D (i) }. { U (i) }. { R (i) }. { F (i) } { S (i) }. { B (i) }. { T (i) }. { L (i) }.
 * type="{}"}

{True or False, A small amount of aluminum-26 is produced by collisions of magnesium atoms with cosmic-ray protons. - TRUE + FALSE
 * type=""}

{Mathematical phenomena associated with an exponential decrease are - a positive exponent - a negative absorption coefficient + the number of atoms per cm3 + the initial absorption of a monolayer + the absorption cross section in cm2 - thinness of material
 * type="[]"}

{Complete the text: The { Lyman (i) } series is the series of transitions and resulting ultraviolet emission lines of the { hydrogen (i) } atoms as an electron goes from a high-energy level to an n = { one|1 (i) } level.
 * type="{}"}

{Which of the following are associated with muon astronomy? + high-energy cosmic rays + secondary and tertiary cosmic rays + nuclear interactions between neutrons and quartz + nuclear interactions between muons and calcite + production rates of a few atoms per gram of rock per year + build-up of cosmogenic nuclides through time
 * type="[]"}

{When plasma is present, what characteristic is readily observed? - the magnetic north pole - gravity - neutral neodymium atoms + electrons - temperatures below 104 K - solar positron events
 * type=""}

Hypotheses

 * 1) More technical questions concerning neutrons and neutron detection safety may be good.