AFOQT Physical Science Practice Test
comprehensive Questions and Answers
with Verified Solutions
Question 1:
A long Nail is heated at one end. After a few seconds, the other end of
the nail becomes equally hot. What type of heat transfer does this
represent? A.Advection B.Conduction C.Convection D.Radiation
Answer:
Conduction
Question 2:
The measure of energy within a system A.Temperature B.Convection
C.Entropy D.Thermo-dymanics E. Heat
Answer:
Heat
Question 3:
How do two isotopes of the same element. A.They have different number
of protons. B.They have different number of neutrons. C.They have
different number electrons D.They have different charges E.They have
different atomic numbers
Answer:
They have different number of neutrons
, Question 4:
Which type of nuclear process features atomic nuclei splitting to form
smaller nuclei A.Fission B.Fusion C.Decay D.Ionization E.Chain Reaction
Answer:
Fission
Question 5:
The process whereby a radioactive element releases energy slowly over
a long period of time to lower its
Answer:
Decay
Question 6:
What unit describes the frequency of a wave? A.Herts (Hz)
B.Decibals(dB) C.Meters (m) D.Meters per second E.Meters per second
square
Answer:
Hertz (Hz)
Question 7:
Which of the following is an example of kinetic energy being converted to
potential energy? A. A child sliding down a hill B A cyclist coasting on his
way up a hill C.A pilot deploying airbrakes on approach to land. D.A
motorist swerving to avoid a deer. E.A pair of billiard balls colliding and
rebounding off each other
Answer:
A cyclist coasting on his way up a hill
comprehensive Questions and Answers
with Verified Solutions
Question 1:
A long Nail is heated at one end. After a few seconds, the other end of
the nail becomes equally hot. What type of heat transfer does this
represent? A.Advection B.Conduction C.Convection D.Radiation
Answer:
Conduction
Question 2:
The measure of energy within a system A.Temperature B.Convection
C.Entropy D.Thermo-dymanics E. Heat
Answer:
Heat
Question 3:
How do two isotopes of the same element. A.They have different number
of protons. B.They have different number of neutrons. C.They have
different number electrons D.They have different charges E.They have
different atomic numbers
Answer:
They have different number of neutrons
, Question 4:
Which type of nuclear process features atomic nuclei splitting to form
smaller nuclei A.Fission B.Fusion C.Decay D.Ionization E.Chain Reaction
Answer:
Fission
Question 5:
The process whereby a radioactive element releases energy slowly over
a long period of time to lower its
Answer:
Decay
Question 6:
What unit describes the frequency of a wave? A.Herts (Hz)
B.Decibals(dB) C.Meters (m) D.Meters per second E.Meters per second
square
Answer:
Hertz (Hz)
Question 7:
Which of the following is an example of kinetic energy being converted to
potential energy? A. A child sliding down a hill B A cyclist coasting on his
way up a hill C.A pilot deploying airbrakes on approach to land. D.A
motorist swerving to avoid a deer. E.A pair of billiard balls colliding and
rebounding off each other
Answer:
A cyclist coasting on his way up a hill
