If you quickly run away from the orchestra at a concert, the frequency of the sound you
hear will be
A) decreased.
B) increased.
C) neither of these.
Science and technology are
A) responsible for all the good in the world.
B) responsible for all the bad in the world.
C) actually one and the same.
D) fundamentally different from each other.
A kilogram is a measure of an object’s
A) force.
B) mass.
C) both of these
D) neither of these
A 1056-hertz tuning fork is sounded at the same time a piano note is struck. You hear
three beats per second. What is the frequency of the piano string?
A) 1056 hertz
B) 1059 hertz
C) 1053 hertz
D) 3168 hertz
E) need more information
Glass is transparent to
A) infrared light.
B) visible light.
C) ultraviolet light.
D) all of the above
When spearing a fish with a regular spear, to compensate for refraction, throw your
spear
A) directly at the sighted fish.
B) above the sighted fish.
C) below the sighted fish.
A planet orbiting the Sun has speed v = √(GM/d). Escape speed from the Sun is v =
√v(2GM/d), where G is the gravitational constant, M is Sun’s mass, and d is the distance
from the Sun. Noting that this tells us that escape speed is √2 times orbital speed, which
planet would fly out of the solar system by a 1.5 increase in orbital speed?
A) Mercury.
B) Venus.
C) Earth.
D) all of the above
E) none of the above
Which of the following contracts most when the temperature is decreased? Equal
volumes of
A) iron.
B) wood.
C) water.
D) helium.
E) all contract the same.
On a planet where atmospheric gases are yellow, distant snow covered hills would look
A) bluish.
B) greenish.
C) yellowish.
D) reddish.
E) untinted.
Stored potatoes, beets, and rutabagas freeze at temperatures below zero degrees Celsius
(rather than at exactly zero) because
A) they are good radiators of energy.
B) they are good absorbers of radiant energy.
C) the water in them contains dissolved salts and sugars.
D) they are relatively dense.
E) all of the above
Carbon-14 is produced in the atmosphere principally by
A) plants and animals.
B) cosmic-ray bombardment.
C) nitrogen bombardment.
D) photosynthesis.
E) none of the above
Inside the same room, buoyant force is greater on
A) a helium-filled party balloon.
B) an elephant.
C) both the same
Electromagnetic waves consist of
A) compressions and rarefactions of electromagnetic pulses.
B) oscillating electric and magnetic fields.
C) particles of light energy.
D) high-frequency sound waves.
The size of the pupil of your eye depends on
A) the brightness of light in the room.
B) your mood.
C) both of these
D) neither of these
When you view color in a soap film with sunlight in back of you, a friend on the other
side of the soap film likely sees
A) the same color.
B) a different color.
C) only your head.
You look at the clock on the Big Ben Tower in London and it reads 12 noon. If you
could hypothetically travel away from the clock at the speed of light and view it with a
telescope, it would
A) run slower than a clock in your vehicle.
B) run faster than a clock in your vehicle.
C) be frozen at 12 noon.
Consider two mercury barometers, one with twice the cross-sectional area of the other.
Neglecting capillarity, compared with the wider tube, mercury in the smaller tube will
rise
A) to the same height.
B) twice as high.
C) four times as high.
D) more than four times as high.
E) none of the above
When a light ray in air enters water at 15o from the normal, it
A) always bends toward the normal.
B) always bends away from the normal.
C) sometimes bends towards or away from the normal.
D) does not bend.
The electrical force is stronger between the nucleus and an inner electron for atoms of
A) low atomic number.
B) high atomic number.
C) both of these
D) neither of these
A current-carrying wire in a magnetic field
A) may be deflected.
B) may experience a force.
C) both of these
D) neither of these
Which color of visible light carries the most energy per photon?
A) red
B) green
C) blue
D) violet
E) all the same
When liquids change to a solids, they
A) absorb energy.
B) release energy.
C) both of these
D) neither of these
A catenary in nature is evident in
A) eggs.
B) a necklace drooping between your fingers.
C) the domes of some modern buildings.
D) all of the above
There would be only one ocean tide per 24-hour day if the
A) Earth and Moon were equally massive.
B) Moon were more massive than Earth.
C) Sun’s influence on the tides were negligible.
D) Moon’s mass were small only a few kilograms.
E) none of the above
If a rocket initially at rest accelerates at a rate of 50 m/s2 for one minute, its speed will
be
A) 50 m/s.
B) 500 m/s.
C) 3000 m/s.
D) 3600 m/s.
For 1 gram of radioactive material that has a half-life of one year, after 4 years the
original radioactive material left will be
A) 0 g.
B) 1/2 g.
C) 1/4 g.
D) 1/8 g.
E) none of the above
Dean teaches that the phenomenon of regelation is due to the
A) freezing point of water.
B) melting point of ice.
C) open-structured nature of ice crystals.
D) high specific heat of water.
If the speed of light in a sphere is 2 108 m/s, its index of refraction is
A) 0.50.
B) 0.67.
C) 1.0.
D) 1.5.
E) 2.0.
Quantization of electron energy states in an atom is better understood in terms of the
electron’s
A) wave nature.
B) particle nature.
C) neither of these
A bird flying at 8 km/h in a 6-km/h crosswind has a resultant speed of
A) 6 km/h.
B) 8 km/h.
C) 10 km/h.
D) 14 km/h.
Half-way to the center of a planet of uniform density, your weight compared to that at
the surface would be
A) one-quarter.
B) one-half.
C) three-quarters.
D) the same as at the surface.
E) zero.
The force that binds atoms together to form molecules is
A) gravitational.
B) nuclear.
C) electrical.
D) centripetal.
E) none of the above
The distance traveled by a wave during a single period is
A) one-half wavelength.
B) one wavelength.
C) two wavelengths.
D) none of the above
A 300-kg bear grasping a vertical tree slides down at constant velocity. The friction
force between the tree and the bear is
A) 30 N.
B) 300 N.
C) 3000 N.
D) more than 3000 N.