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When 10 grams of hot water cool by 1oC, the amount of heat given off is
A) 41.9 calories.
B) 41.9 Calories.
C) 41.9 joules.
D) more than 41.9 joules.
E) none of the above
Particle A has twice the charge of nearby particle B. Compared to the force on Particle
A, the force on Particle B is
A) half as much.
B) the same.
C) twice as much.
D) four times as much.
E) none of the above
Fissioning carbon would occur with
A) absorption of energy.
B) release of energy.
C) neither of these
To pluck a nucleon from a nucleus requires
A) work.
B) kinetic energy.
C) potential energy.
D) none of the above
A water wave passes by a floating leaf that is made to oscillate up and down two
complete cycles each second, which means that the wave's frequency is
A) 0.5 Hz.
B) 1 Hz.
C) 2 Hz.
D) 3 Hz.
E) 6 Hz.
The idea of complementarity is evident in the
A) dual nature of light.
B) notion of opposites being components of a whole.
C) yin-yang symbol of Eastern cultures.
D) all of the above
E) none of the above
Ninety percent of light incident on a certain piece of glass passes through it. How much
light passes through two pieces of this glass?
A) 80%
B) 81%
C) 85%
D) 89%
E) 90%
The Heisenberg uncertainty principle states that
A) Planck's constant sets a limit on accuracy of measurements.
B) we can't simultaneously measure exactly both the position and momentum of a
particle.
C) we can't simultaneously measure exactly a particle's energy and time having that
energy.
D) all of the above
You and a friend can share the same space and time measurements when
A) you are side by side at rest.
B) you both are side by side moving at constant velocity.
C) either of these
D) none of these
If your automobile runs out of fuel while driving, the engine stops. You don't come to
an abrupt stop due to
A) inertia.
B) gravity.
C) resistance.
D) the principle of continuation.
Suppose you and your sister travel at different speeds in space and you note a slowing
of her clock. Compared with her clock your sister will notice that your clock runs
A) faster.
B) slower.
C) the same.
D) need more information
The number of nodes in a standing wave of two wavelengths, not including the
endpoints, is
A) 2.
B) 3.
C) 4.
D) 5.
E) 6.
Joshua is attracted toward Earth by a 500-N gravitational force. The Earth is attracted
toward Joshua with a force of
A) zero.
B) 250 N.
C) 500 N.
D) 1000 N.
Neglecting air resistance, once a tossed ball leaves your hand
A) no further forces act on it.
B) only the force due to gravity acts on it.
C) inertia becomes the force acting on it.
D) your tossing force remains while the ball goes upward.
E) your tossing force remains until it comes to a stop.
The photons having least energy are those of
A) infrared.
B) red light.
C) green light.
D) blue light.
E) ultraviolet.
An example of a heat engine is
A) an aircraft turbine.
B) an automobile internal combustion motor.
C) the steam engine of a railroad train.
D) the gasoline motor of a leaf blower.
E) all of the above
A circuit breaker often serves the same purpose as a
A) battery
B) fuse.
C) capacitor.
D) all of the above
E) none of the above
When a car is struck by lightning, the resulting electric field inside the car is
A) normally huge, but for a brief time.
B) small enough to be safe for a passenger inside.
C) zero.
A cannon recoils while firing a cannonball. The speed of the cannon's recoil is relatively
small because the
A) force against the cannon is smaller than against the ball.
B) momentum is mainly concentrated in the cannonball.
C) cannon has much more mass than the cannonball.
D) momentum of the cannon is smaller.
A sphere of pure U-235 will explode if it is
A) hot enough.
B) shaken hard enough.
C) big enough.
D) none of the above
Which makes central use of the binary system?
A) phonograph records
B) DVDs
C) both of these
D) neither of these
When a drawn bow of potential energy 40 J is fired, the arrow will ideally have a
kinetic energy
A) less than 40 J.
B) more than 40 J.
C) of 40 J.
Fred swings a sheet of copper in pendulum fashion between the poles of a strong
magnet. The sheet slows in entering the magnetic field because it
A) induces swirling currents in the copper and accompanying magnetic fields that resist
motion.
B) experiences both air and magnetic friction.
C) is repelled by free electrons in the copper.
D) none of the above
An electron and a proton are traveling at the same speed. Which has the longer
wavelength?
A) the electron
B) the proton
C) both the same
D) none of the above
Chinook winds tend to
A) warm an environment.
B) cool an environment.
C) cool deserts at night.
D) warm deserts at sunrise.
Relative to an initial height, an object raised twice as high has a gravitational potential
energy
A) half as much
B) twice as much.
C) four times as much.
D) need more information
If the mass of a cart is quickly loaded to have twice the mass while a propelling force
remains constant, the cart's acceleration
A) quadruples.
B) doubles.
C) stays the same.
D) halves.
E) none of these
When a 12-V battery powers a single 6-ohm lamp,
A) 2 joules flow in the lamp each second.
B) 6 joules flow in the lamp each second.
C) 12 joules flow in the lamp each second.
D) none of the above
A pendulum clock at high altitudes runs
A) fast.
B) slow.
C) normally as it does at sea level.
An object heated to twice the absolute temperature emits radiation
A) with twice the peak frequency.
B) in the ultraviolet part of the spectrum.
C) in the radio wave part of the spectrum.
D) with longer wavelengths.
When neptunium emits a beta particle the result is
A) a different isotope of neptunium.
B) uranium.
C) plutonium.
D) lead.
E) none of the above
Because of absorption, a Polaroid will actually transmit 40% of incident unpolarized
light. Two such Polaroids with their axes aligned will transmit
A) 0%.
B) 40%.
C) 100%.
D) between 0% and 40%.
E) between 40% and 100%.
Monkey Mo hangs from the middle of a horizontal rope. Tension in the rope is greatest
if the rope
A) sags a lot.
B) sags very little.
C) sags or doesn't sag, for tension is the same in any case.
D) none of the above
The lift experienced by a helicopter involves an action-reaction pair of forces between
the
A) helicopter blades and the air.
B) mass of the helicopter and Earth's mass.
C) weight of the helicopter and atmospheric pressure.
D) motion of the helicopter relative to the ground below.
E) any or all of the above
