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Radiation/Quiz

< Radiation

Radiation is a stand-alone lecture and an article. It overlaps areas such as radiation astronomy, radiation chemistry, radiation biology, and radiation physics. There are aspects included in the various health sciences and medicine. It is included as part of the astronomy course on the principles of radiation astronomy.

This image shows a cumulus cloud above Lechtaler Alps, Austria. Credit: Glg.

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Quiz

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1 Yes or No, Clouds are a form of radiation because they have a temperature gradient.

Yes
No

2 Complete the text:

An aerometeor is a

unit of air traveling or

through an atmosphere.

3 True or False, Hydrogen has an emission line in the yellow.

TRUE
FALSE

4 Complete the text:

Terahertz radiation refers to electromagnetic waves propagating at

in the

range.

5 True or False, A metallic or stony object that is the remains of a meteor is called a meteoroid.

TRUE
FALSE

6 Which of the following is not characteristic of a neutrino?

neutrinos are affected by the weak nuclear force
produced by a positron annihilating an electron
a decay product of a neutron
produced by the near surface fusion on the Sun
may have a mass
comes in mutable varieties

7 True or False, Boron has an emission line in the yellow.

TRUE
FALSE

8 Complete the text:

and

radiation are best absorbed by atoms with heavy nuclei.

9 True or False, A cryometeor is a very large chunk of amber.

TRUE
FALSE

10 Beta rays, or beta particles, are more penetrating than what other Greek letter designated rays or particles?

11 True or False, Radiation is an action or process of throwing or sending out a traveling ray in a line, beam, or stream of small cross section.

TRUE
FALSE

12 Complete the text:

Beta particles are high-energy, high-speed

or positrons emitted by certain types of

nuclei such as

-40.

13 True or False, A lithometeor is a rocky-object meteor.

TRUE
FALSE

14 Which of the following is not a characteristic of showers?

throwing a beam
meteors
rain
snow
hail

15 True or False, Micrometeoroids have less stable orbits than meteoroids.

TRUE
FALSE

16 Complete the text:

Match up the radiation letter with each of the detector possibilities below:
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
multialkali (Na-K-Sb-Cs) photocathode materials

.
F547M

.
F675W

.
broad-band filter centered at 404 nm

.
F588N

.
thallium bromide (TlBr) crystals

.
F606W

.
18 micrometers FWHM at 490 nm

.
wide-gap II-VI semiconductor ZnO doped with Co2+ (Zn1-xCoxO)

.

17 True or False, A hydrometeor is a precipitation product.

TRUE
FALSE

18 Which of the following is not a radiation phenomenon associated with a crater?

strata
elongated dust particles
high albedo
olivine
Rayleighs
volcanoes

19 True or False, A delta ray is a ray of very fast positrons.

TRUE
FALSE

20 Radiation phenomena associated with craters include?

catena
secondary craters
checking equations about complex systems
deformed strata
electric arcs
explosions


Hypotheses

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Main resource: Hypotheses
  1. The radiation doses received by NASA and RSA astronauts probably are not the cause of the medical symptoms of spaceflight.

See also

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{{Radiation astronomy resources}}

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