1. Matter kis kmeasured kin .
a. kilograms
b. joules
c. electron kvolts
d. rems
ANS A
WER
Matter kis kmeasured kin kkilograms.
:
2. Atoms kand kmolecules kare kthe kfundamental kbuilding kblocks kof .
a. energy
b. radiation
c. matter
d. gravity
ANS C
WER
Atoms kand kmolecules kare kthe kfundamental kbuilding kblocks kof kmatter.
:
3. Ice kand ksteam kare kexamples kof ktwo kforms kof .
a. matter
b. radiation
c. energy
d. work
ANS: A
Ice kand ksteam kare kexamples kof ktwo kforms kof kmatter.
4. The kformula kE k= kmc2 k is kthe kbasis kfor kthe ktheory kthat kled kto kthe kdevelopment kof .
a. x-rays
b. electromagnetic kradiation
c. nuclear kpower
d. cathode kray ktubes
ANS: C
The kformula kE k= kmc2 kis kthe kbasis kfor kthe ktheory kthat kled kto kthe kdevelopment kof knuclear
kpower.
5. Radio kwaves, klight, kand kx-rays kare kall kexamples kof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagnetic kenergy kincludes kradio kwaves, klight, kand kx-rays kas kwell kas kother kparts kof
kthekspectrum.
, 6. A kmoving kobject khas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: k B
A kmoving kobject khas kkinetic kenergy.
7. What kis kthe kremoval kof kan kelectron kfrom kan katom kcalled?
a. Ionization
b. Pair kproduction
c. Irradiation
d. Electricity
ANS: k A
The kremoval kof kan kelectron kfrom kan katom kis kcalled kionization.
8. Ionizing kradiation kis kcapable kof kremoving from katoms kas kit kpasses kthrough
kthekmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: k C
Ionizing kradiation kis kcapable kof kremoving kelectrons kfrom katoms kas kit kpasses kthrough kthe
kmatter.
9. The kenergy kof kx-rays kis k_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: k D
X-rays kare ka kform kof kelectromagnetic kenergy.
10. The kbiggest ksource kof kman-made kionizing kradiation kexposure kto kthe kpublic kis
k .
a. atomic kfallout
b. diagnostic kx-rays
c. smoke kdetectors
d. nuclear kpower kplants
ANS: k B
Medical kx-ray kexposure kis kthe kbiggest ksource kof kman-made kradiation.
11. In kthe kUnited kStates, kwe kare kexposed kto _ kmSv/year kof kionizing kradiation kfrom
ktheknatural kenvironment.
a. 0 kto k5
b. 5 kto k20
c. 20 kto k90
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