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When Eddie Electron experiences an electrical shock, the source of electrons
composing the shock is
A) the ground beneath Eddie's feet.
B) Eddie's body.
C) the power plant.
D) whatever electric device being handled.
E) electric field in the air.
For radio transmission, which has the higher frequency?
A) carrier wave
B) sound wave
C) neither of these
The minimum amount of steam at 100oC needed to melt 1 gram of 0oC ice is
A) 0.125 gram.
B) 0.148 gram.
C) 6.75 grams.
D) 8 grams.
E) none of the above
Consider light energy that is momentarily absorbed in glass and then re-emitted.
Compared to the absorbed light, the frequency of the re-emitted light is
A) considerably less.
B) slightly less.
C) the same.
D) slightly more.
E) considerably more.
The Moon would be at its fullest just before the time of a
A) solar eclipse.
B) lunar eclipse.
C) both of these
D) neither of these
A thin film appears magenta when illuminated with white light. The color being
cancelled by destructive interference is
A) red.
B) green.
C) white.
D) blue.
E) none of the above
Compared to a 1-kg block of solid iron, a 2-kg block of solid iron has the same
A) mass.
B) volume.
C) weight.
D) all of the above
E) none of the above
To see his full height, Blinky Bill who is 1 meter tall needs a mirror that is at least
A) 0.33 m tall.
B) 0.50 m tall.
C) 0.75 m tall.
D) 1 m tall.
E) depends on distance from the mirror.
A vertically-held sledge hammer is easier to balance when the heavier end is
A) on your hand.
B) at the top, away from your hand.
C) the same either way
Water in a car radiator sometimes boils explosively when the radiator cap is removed,
which is due to sudden
A) rapid evaporation.
B) reduced pressure.
C) excess condensation.
D) excess vaporization.
The ether theory of light propagation is
A) much used.
B) incomplete, but still useful.
C) unexplained.
D) discredited.
When a load is placed on the middle of a horizontal beam supported at each end, the top
part of the beam undergoes
A) tension.
B) compression.
C) either of these
D) none of these
The least energy required to produce forced vibration in an object occurs
A) below its natural frequency.
B) at its natural frequency.
C) above its natural frequency.
D) none of the above
Which would require the greater change in a satellite's orbital speed (8 km/s); slowing
down so it crashes into Earth, or speeding up so it escapes Earth?
A) slowing down
B) speeding up
C) same each way
D) need more information
To keep chickens in a chicken coop warm, the kind of lamp to use is
A) fluorescent.
B) CFL.
C) incandescent.
D) LED.
E) all about the same
What color light is transmitted by a piece of blue glass?
A) red
B) white
C) blue
D) yellow
E) orange
The current produced by voltage in a circuit is impeded by
A) electric barriers.
B) closed switches.
C) electric resistance.
D) none of the above
The distance a freely falling object falls from rest in one-half second is
A) 2 m.
B) 4 m.
C) 6 m.
D) none of the above
Compared with the period of satellites in close Earth orbit, the period of satellites
orbiting far from Earth is
A) shorter.
B) the same.
C) longer.
D) need more information
The unit of electrical resistance is the
A) volt.
B) ampere.
C) ohm.
D) none of the above
A person standing waist-deep in a swimming pool appears to have short legs because of
light
A) reflection.
B) absorption.
C) interference.
D) diffraction.
E) refraction.
According to Kepler, the line from the Sun to any planet sweeps out equal areas of
space
A) with each complete revolution.
B) only when the paths are ellipses.
C) in equal time intervals.
According to relativity theory, if a space trip finds a son or daughter biologically older
than their parents, then the space trip is taken by the
A) son or daughter.
B) parents.
C) either of these
D) neither, it can't be done.
Which is the most abundant greenhouse gas in Earth's atmosphere?
A) nitrogen.
B) water vapor.
C) carbon dioxide.
D) none of the above
The transmission of power from one place to another is evident in
A) household electricity.
B) radio broadcast.
C) mobile phones.
D) all of the above
Ice cubes submerged at the bottom of a liquid indicate that the liquid
A) produces insufficient buoyant force on the ice.
B) is warmer than the ice.
C) is only partly displaced by the submerged ice.
D) is less dense than ice.
A consequence of surface tension for water is
A) capillary action.
B) wet sand being firmer than dry sand.
C) the different tastes of hot and cold oily soup.
D) all of the above
E) none of the above
The mass of a cubic meter of water is
A) 1 kg.
B) 10 kg.
C) 100 kg.
D) 1000 kg.
E) 9800 N.
A beam of electrons can pass through a magnetic field without being deflected if the
direction of the beam is
A) parallel to the field lines.
B) perpendicular to the field lines.
C) none of these
Which of the following is NOT a mixture?
A) granite
B) cake
C) air
D) beach sand
E) none of the above
A temperature inversion occurs when the upper layers of air are
A) warmer than the lower regions of air.
B) cooler than the lower regions of air.
C) at the same temperature as lower regions of air.
The phenomenon of beats is a result of sound
A) refraction.
B) reflection.
C) interference.
D) all of the above
E) none of the above
To turn 50 grams of boiling water to steam requires
A) 50 calories.
B) 500 calories
C) 540 calories.
D) more than 540 calories.
E) none of the above
When uranium emits an alpha particle, the result is
A) thorium.
B) protactinium.
C) neptunium.
D) none of the above
