PHYSICS 83518

subject Type Homework Help
subject Pages 14
subject Words 1423
subject Authors Charles A. Higgins, James Shipman, Jerry D. Wilson

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page-pf1
A ______________ is an ultra-hot collection of electrically charged particles.
A) gas
B) liquid
C) plasma
D) solid
The energy differences in some of the rotational energy levels of the water molecule
allow
A) X-rays to be produced.
B) cooking with microwaves.
C) visible spectral lines to be formed.
D) lasers to operate.
What is the formula of the compound formed from the ions of calcium and bromine?
A) CaBr3
B) CaBr
C) CaBr2
D) Ca2Br3
E) None of these
page-pf2
Orthoclase and plagioclase are the two main types of
A) silica.
B) feldspars.
C) calcite.
D) sulfides.
The metric prefix that means one-thousandth (1/1000) is
A) kilo-.
B) centi-.
C) milli-.
D) nano-.
page-pf3
The general formula R-X is that of
A) an amine.
B) an alkyl halide.
C) an alcohol.
D) none of these
The symbol for potassium is
A) Pm.
B) Po.
C) P.
D) K.
A compound resulting from a major fuel impurity is
A) CO2.
B) CO.
C) SO2.
D) HC.
page-pf4
Organic chemistry studies chemical compounds that contain at least one atom of
A) nitrogen.
B) oxygen.
C) carbon.
D) hydrogen.
E) silicon.
What is the symbol for the element Fermium?
A) Fm
B) La
C) Er
D) Tc
E) He
page-pf5
Kepler's third law of planetary motion is also known as the ______________ law.
A) periodic
B) elliptical path
C) harmonic
D) heliocentric
The planet with a hexagonally shaped storm at its pole is
A) Jupiter.
B) Neptune.
C) Uranus.
D) Saturn.
E) Mars.
A metric ton (or tonne) is
A) the same as a British ton.
B) not defined.
C) a mass unit.
D) a weight unit.
page-pf6
The northern Atlantic Ocean is the source region for the ______________ type of air
mass.
A) cA
B) cP
C) mP
D) mT
The major difference between transverse and longitudinal waves is the
A) direction of the wave motion.
B) phase difference.
C) direction of the particle displacement with respect to the direction of wave motion.
D) size of the waves.
Short-term and long-term effects of radiation on the health of the recipient are called
______________ effects.
page-pf7
A) threshold
B) somatic
C) latent
D) genetic
CH3CONHCH2CH3is an example of a(n)
A) amide.
B) amine.
C) ester.
D) carboxylic acid.
Six months of daylight at the North Pole begins when the Sun is at the
A) winter solstice.
B) summer solstice.
C) autumnal equinox.
D) vernal equinox.
page-pf8
The intensity of a 80-dB whistle is doubled. What is the new decibel level?
A) 80 dB
B) 77 dB
C) 83 dB
D) 160 dB
Which of the following is an ethyl group?
A) CH3CH2"
B) CH2=CH"
C) CH2CH3"
D) CH3"
E) CH CH"
page-pf9
The fission of 235U nuclei is initiated by
A) electrons.
B) protons.
C) alpha particles.
D) neutrons.
The ______________ for compounds are written by putting the composing elements'
symbols adjacent to each other, with subscripts indicating the number of atoms of each.
A) equations
B) molecules
C) isotopes
D) formulas
page-pfa
A particular material has an index of refraction of 2.25. What percent of the speed of
light in vacuum is the speed of light in the material?
A) 75%
B) 13%
C) 25%
D) 86%
The three fusion reactions in the Sun that form helium from hydrogen are together
called the
A) proton-proton chain.
B) hydrogen cycle.
C) helium sequence.
D) neutrino exchange.
For the multiplication of 6.8 m divided by 8.6 m, the result should be reported with how
many significant figures?
A) Two
B) One
C) Three
D) Four
E) Seven
page-pfb
How many atoms of oxygen are contained in 44 g of carbon dioxide, CO2?
A) 3.01 x 1023
B) 12.0 x 1023
C) 6.02 x 1023
D) None of these
An object has kinetic energy of 324 J. If its speed is 9 m/s, what is its mass?
A) 8
B) 36
C) 648
D) 324
page-pfc
Archaeopteryx fossils are those of a prehistoric
A) bird.
B) crinoid.
C) trilobite.
D) ground sloth.
An object that is negatively charged will
A) attract a rubber rod stroked with fur.
B) attract a glass rod stroked with silk.
C) be polarized.
D) none of these
Astronomers measure stellar distances in three different units. The smallest of these is
A) the light-year.
B) the absolute magnitude.
C) the astronomical unit.
D) the parsec.
page-pfd
The altitude of the North Star (Polaris) is approximately
A) 90.
B) equal to the observer's local latitude.
C) equal to the observer's local longitude.
D) dependent on the time of day.
E) none of these
Who discovered the electron in 1897?
A) Ernest Rutherford
B) James Chadwick
C) J. J. Thomson
D) Niels Bohr
The process by which electricity can be generated by using running or falling water is
known as
page-pfe
A) groundwater generation.
B) hydroelectric generation.
C) geothermal generation.
D) steam generation.
Six months of darkness at the North Pole begins when the Sun is at the
A) winter solstice.
B) summer solstice.
C) autumnal equinox.
D) vernal equinox.
The closest star to the Sun is named _______________.
page-pff
The Hawaiian Islands and the Emperor seamount chain were formed when the Pacific
plate rode over a(n) ______________.
An insulator has a positive electric charge of 2.4 x 10-17C. How many electrons were
added or removed?
The ozone layer absorbs ______________ radiation.
Free-fall motion neglects ___________________.
page-pf10
The study of fossils is called ______________.
The number of electrons in a hydrogen atom is ______________.
The branch of astronomy that studies the structure and evolution of the entire universe
is called _______________.
page-pf11
The compound BeF2 is named ______________.
The largest plutons are called ______________.
The diameter of the average atom is about ______________ m.
When the forward and reverse reactions are proceeding at the same rate, the reaction is
said to have reached ______________.
page-pf12
The maximum value of longitude is ______________.
Three resistors, 10 , 20 , and 30 , are wired in parallel and connected to a 12-V
battery. How much current flows in the circuit?
The formula for dry ice is _______________.
page-pf13
The span of time required for the radioactive decay of half the parent nuclei in a sample
is known as the ______________.
A watt is one ______________ per second.
An isolated, submarine, volcanic peak on the ocean floor is called, in general, a(n)
______________.
The three major types of seawater movement are waves, currents, and
______________.
page-pf14
For a period after June 21 for locations above 23 N, sunrise in the conterminous
United States occurs _____________________ each day.

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