EXAM QUESTIONS AND ANSWERS PRACTICE
QUESTIONS WITH SOLUTIONS NEWEST | ALREADY
GRADED A+
Matter is measured in
a. kilograms
b. joules
c. electron volts
d. rems - ANSWER-a
A joule is a unit of measurement for _________.
a. mass
b. Energy
c. Matter
d. Gravity - ANSWER-a
Atoms and molecules are the fundamental building blocks of _____________.
a. Energy
b. Radiation
c. Matter
d. Gravity - ANSWER-c
Ice and steam are examples of two forms of ________.
,a. Matter
b. Radiation
c. Energy
d. Work - ANSWER-a
The formula "E = mc2" is the basis for the theory that led to the development of
a. x-rays
b. electromagnetic radiation
c. nuclear power
d. cathode ray tubes - ANSWER-b
Radio waves, light, and x-rays are all examples of _______ energy.
a. Nuclear
b. Thermal
c. Electrical
d. Electromagnetic - ANSWER-d
A moving object has ___________ energy.
a. Potential
b. Kinetic
c. Nuclear
d. Electromagnetic - ANSWER-b
What is the removal of an electron from an atom called?
,a. Ionization
b. pair production
c. Irradiation
d. Electricity - ANSWER-a
Ionizing radiation is capable of removing ______ from atoms as it passes through
the matter.
a. Neutrons
b. Protons
c. Electrons
d. Ions - ANSWER-c
The energy of x-rays is _______________.
a. Thermal
b. Potential
c. Kinetic
d. Electromagnetic - ANSWER-d
The biggest source of manmade ionizing radiation exposure to the public is from
________.
a. atomic fallout
b. diagnostic x-rays
c. smoke detectors
d. nuclear power plants - ANSWER-b
, In the United States we are exposed to _________ of ionizing radiation from the
natural environment.
a. 0-5 mR/year
b. 5-20 mR/year
c. 20-90 mR/year
d. 100-300 mR/year - ANSWER-a
Wilhelm Roentgen discovered x-rays while experimenting with the
a. rotating anode.
b. Coolidge tube.
c. Snook transformer.
d. Crookes tube. - ANSWER-d
Roentgen discovered x-rays by noticing the fluorescent glow of ___________
during one of his experiments with a cathode ray tube.
a. barium platinocyanide
b. calcium tungstate
c. cellulose nitrate
d. black cardboard - ANSWER-a
. In the United States the first fatality from x-ray exposure was reported in
_________.
a. 1776
b. 1896