Question 1

A bird sitting on a bare high-voltage wire is not electrocuted because

Accepted Answer

A) of the high resistance of its body. 
B) of no electrical potential difference across its body. 
C) its body is at a low electric potential compared to the wire. 
D) the high voltage across its feet produces a very small current.
If the bird stood on the wire with only one foot, it would 
E) be electrocuted.
F)remain unharmed. 
A) of the high resistance of its body. 
B) of no electrical potential difference across its body. 
C) its body is at a low electric potential compared to the wire. 
D) the high voltage across its feet produces a very small current.
If the bird stood on the wire with only one foot, it would 
E) be electrocuted.
F)remain unharmed.

Question 2

When a source of sound approaches, measurements will show an increase in the sound's

Accepted Answer

A) speed, 
B) frequency, 
C) wavelength, 
D) all of these, 
E) none of these,
And when a source of sound recedes, measurements will show an increase in the sound's
F)speed.
G)frequency.
H)wavelength.
I)all of these.
10)none of these. 
A) speed, 
B) frequency, 
C) wavelength, 
D) all of these, 
E) none of these,
And when a source of sound recedes, measurements will show an increase in the sound's
F)speed.
G)frequency.
H)wavelength.
I)all of these.
10)none of these.

Question 3

An object is dropped from a position of rest. At the end of the first second of free fall it will have traveled about

Accepted Answer

A) 0 m 
B) 5 m 
C) 10 m
And its velocity will be about 
D) 0 m/s. 
E) 5 m/s.
F)10 m/s. 
A) 0 m 
B) 5 m 
C) 10 m
And its velocity will be about 
D) 0 m/s. 
E) 5 m/s.
F)10 m/s.

Question 4

The force of gravity acts on a satellite when it is in

Accepted Answer

A) circular orbit. 
B) elliptical orbit. 
C) both of these. 
D) neither of these.
And does work on a satellite when it is in 
E) circular orbit
F)elliptical orbit
G)both of these
H)neither of these 
A) circular orbit. 
B) elliptical orbit. 
C) both of these. 
D) neither of these.
And does work on a satellite when it is in 
E) circular orbit
F)elliptical orbit
G)both of these
H)neither of these

Question 5

If in the absence of external forces, a rotating ball of hot gas cools and contracts, its rate of rotation

Accepted Answer

A) decreases 
B) remains essentially the same 
C) increases
And its angular momentum 
D) decreases. 
E) remains essentially the same.
F)increases. 
A) decreases 
B) remains essentially the same 
C) increases
And its angular momentum 
D) decreases. 
E) remains essentially the same.
F)increases.

Question 6

To say that an object is moving at constant velocity means that it is

Accepted Answer

A) at rest, 
B) moving at an unchanging speed, 
C) moving at an unchanging speed in a straight-line path,
And that its acceleration is 
D) zero. 
E) constantly increasing (or decreasing).
F)uniform. 
A) at rest, 
B) moving at an unchanging speed, 
C) moving at an unchanging speed in a straight-line path,
And that its acceleration is 
D) zero. 
E) constantly increasing (or decreasing).
F)uniform.

Question 7

According to the principle of equivalence in general relativity,

Accepted Answer

A) space and time are aspects of each other. 
B) energy and mass are aspects of each other. 
C) electricity and magnetism are aspects of each other. 
D) observations made in an accelerating frame are indistinguishable from observations made in a gravitational field. 
E) all of the above.
Einstein's gravitation theory obeys the principle of correspondence in that it
F)corresponds to a truer description of events in very strong gravitational fields.
G)is a special case of Newton's theory.
H)has been proven in repeated experiments.
I)agrees with the proven results of Newton's theory.
10)cannot distinguish between observations made in an accelerating frame and a gravitational field. 
A) space and time are aspects of each other. 
B) energy and mass are aspects of each other. 
C) electricity and magnetism are aspects of each other. 
D) observations made in an accelerating frame are indistinguishable from observations made in a gravitational field. 
E) all of the above.
Einstein's gravitation theory obeys the principle of correspondence in that it
F)corresponds to a truer description of events in very strong gravitational fields.
G)is a special case of Newton's theory.
H)has been proven in repeated experiments.
I)agrees with the proven results of Newton's theory.
10)cannot distinguish between observations made in an accelerating frame and a gravitational field.

Question 8

An object drops in free fall. At one instant it is moving at a speed of 50 meters per second. Exactly one second later its speed is about

Accepted Answer

A) 10 m/s. 
B) 50 m/s. 
C) 60 m/s. 
D) 100 m/s.
This is because 
E) no net force acts on the object while in its state of free fall.
F)it gains a speed of about 10 m/s for each second of fall.
G)its velocity nearly doubles each second. 
A) 10 m/s. 
B) 50 m/s. 
C) 60 m/s. 
D) 100 m/s.
This is because 
E) no net force acts on the object while in its state of free fall.
F)it gains a speed of about 10 m/s for each second of fall.
G)its velocity nearly doubles each second.

Question 9

A vibrating tuning fork causes an identical fork nearby to vibrate. This is called

Accepted Answer

A) refraction. 
B) resonance. 
C) beats. 
D) reverberation.
For this to occur, both forks must have the same (or multiple) 
E) intensities.
F)amplitudes.
G)frequencies.
H)geometries.
I)all of these. 
A) refraction. 
B) resonance. 
C) beats. 
D) reverberation.
For this to occur, both forks must have the same (or multiple) 
E) intensities.
F)amplitudes.
G)frequencies.
H)geometries.
I)all of these.

Question 10

Consider a sample of water at 6°C. If the temperature is slightly increased, the volume of water

Accepted Answer

A) increases. 
B) decreases. 
C) remains unchanged.
Suppose the water is cooled instead to 3°C. Then further cooling of it will cause its volume to 
D) increase. 
E) decrease.
F)remain unchanged. 
A) increases. 
B) decreases. 
C) remains unchanged.
Suppose the water is cooled instead to 3°C. Then further cooling of it will cause its volume to 
D) increase. 
E) decrease.
F)remain unchanged.

Question 11

Figure E/M-2
  
-Refer to the identical lamps above. If the current in lamp 1 is one ampere, then the current in lamp 2 is

Accepted Answer

A) 1/2 A 
B) 1/3 A 
C) 1 A 
D) 2 A 
E) 3 A
And the voltage across lamp 2 is
F)1/2 V.
G)1/3 V.
H)1 V.
I)1)5 V.
10)3 V. 
A) 1/2 A 
B) 1/3 A 
C) 1 A 
D) 2 A 
E) 3 A
And the voltage across lamp 2 is
F)1/2 V.
G)1/3 V.
H)1 V.
I)1)5 V.
10)3 V.

Question 12

A pair of like electric charges

Accepted Answer

A) repel each other, 
B) attract each other,
And a pair of like magnetic poles 
C) repel each other. 
D) attract each other. 
A) repel each other, 
B) attract each other,
And a pair of like magnetic poles 
C) repel each other. 
D) attract each other.

Question 13

Figure N-10
  
-As the ball rolls from A to B its velocity increases and its acceleration

Accepted Answer

A) increases; 
B) decreases; 
C) remains constant;
And when it rolls from B to C its acceleration along the path 
D) increases. 
E) decreases.
F)remains constant. 
A) increases; 
B) decreases; 
C) remains constant;
And when it rolls from B to C its acceleration along the path 
D) increases. 
E) decreases.
F)remains constant.

Question 14

When light is gravitationally red or blue shifted, that which is shifted is

Accepted Answer

A) wave frequency, 
B) wavelength, 
C) wave energy, 
D) all of these, 
E) none of these,
And when light is Doppler shifted, that which is shifted is actually
F)wave frequency.
G)wave amplitude.
H)both of these.
I)none of these. 
A) wave frequency, 
B) wavelength, 
C) wave energy, 
D) all of these, 
E) none of these,
And when light is Doppler shifted, that which is shifted is actually
F)wave frequency.
G)wave amplitude.
H)both of these.
I)none of these.

Question 15

Figure L-2
  
-The radiation curve is a plot of light intensity versus frequency for an incandescent source. If this light is first passed through a cool gas, the resulting radiation curve would most probable look like

Accepted Answer

A) I) 
B) II. 
C) III.
This best illustrates that the atoms of gas have 
D) been excited. 
E) absorbed part of the light.
F)simplified selective frequencies of the transmitted light. 
A) I) 
B) II. 
C) III.
This best illustrates that the atoms of gas have 
D) been excited. 
E) absorbed part of the light.
F)simplified selective frequencies of the transmitted light.

Question 16

Light passes readily through a pair of Polaroids when their axes are

Accepted Answer

A) parallel. 
B) perpendicular. 
C) neither of these,
And for a pair of Polaroids with axes at 45 degrees to each other 
D) light will not pass. 
E) light that passes is dimmer than for parallel Polaroids.
F)another Polaroid is necessary for any light to pass. 
A) parallel. 
B) perpendicular. 
C) neither of these,
And for a pair of Polaroids with axes at 45 degrees to each other 
D) light will not pass. 
E) light that passes is dimmer than for parallel Polaroids.
F)another Polaroid is necessary for any light to pass.

Question 17

Earth and the Moon are attracted to each other by gravitational force. The more-massive Earth attracts the less-massive Moon with a force

Accepted Answer

A) less than the force that Moon exerts on Earth. 
B) greater than that of the force that Moon exerts on Earth. 
C) the same as that of the force that Moon exerts on Earth.
This is in accord with 
D) the law of inertia. 
E) Kepler's Laws.
F)the conservation of energy.
G)the fact that both Moon and Earth orbit about a common point, the center of mass.
H)the law of action and reaction. 
A) less than the force that Moon exerts on Earth. 
B) greater than that of the force that Moon exerts on Earth. 
C) the same as that of the force that Moon exerts on Earth.
This is in accord with 
D) the law of inertia. 
E) Kepler's Laws.
F)the conservation of energy.
G)the fact that both Moon and Earth orbit about a common point, the center of mass.
H)the law of action and reaction.

Question 18

Figure M-7
  
-The maximum weight that can be held under the conditions illustrated is

Accepted Answer

A) 104 N. 
B) 105 N. 
C) 0 N. 
D) need more information
It is interesting to note that in this case the piston actually is 
E) pushed up by air.
F)pulled up by the vacuum. 
A) 104 N. 
B) 105 N. 
C) 0 N. 
D) need more information
It is interesting to note that in this case the piston actually is 
E) pushed up by air.
F)pulled up by the vacuum.

Question 19

Doubling the linear size of an object multiplies its area by

Accepted Answer

A) two, 
B) four, 
C) six, 
D) eight,
And its volume and weight by 
E) two.
F)four.
G)six.
H)eight. 
A) two, 
B) four, 
C) six, 
D) eight,
And its volume and weight by 
E) two.
F)four.
G)six.
H)eight.

Question 20

The body chiefly responsible for ocean tides is the

Accepted Answer

A) Moon, 
B) Sun,
Chiefly because 
C) the Moon is closer to Earth than the sun. 
D) gravitational pull by the Moon is less than that of the sun. 
E) the difference between the Moon's pull on the near and far sides of Earth is appreciable. 
A) Moon, 
B) Sun,
Chiefly because 
C) the Moon is closer to Earth than the sun. 
D) gravitational pull by the Moon is less than that of the sun. 
E) the difference between the Moon's pull on the near and far sides of Earth is appreciable.

Exam 37: Systems of Measurement

A bird sitting on a bare high-voltage wire is not electrocuted because

When a source of sound approaches, measurements will show an increase in the sound's

An object is dropped from a position of rest. At the end of the first second of free fall it will have traveled about

The force of gravity acts on a satellite when it is in

If in the absence of external forces, a rotating ball of hot gas cools and contracts, its rate of rotation

To say that an object is moving at constant velocity means that it is

According to the principle of equivalence in general relativity,

An object drops in free fall. At one instant it is moving at a speed of 50 meters per second. Exactly one second later its speed is about

A vibrating tuning fork causes an identical fork nearby to vibrate. This is called

Consider a sample of water at 6°C. If the temperature is slightly increased, the volume of water

Figure E/M-2 -Refer to the identical lamps above. If the current in lamp 1 is one ampere, then the current in lamp 2 is

A pair of like electric charges

Figure N-10 -As the ball rolls from A to B its velocity increases and its acceleration

When light is gravitationally red or blue shifted, that which is shifted is

Figure L-2 -The radiation curve is a plot of light intensity versus frequency for an incandescent source. If this light is first passed through a cool gas, the resulting radiation curve would most probable look like

Light passes readily through a pair of Polaroids when their axes are

Earth and the Moon are attracted to each other by gravitational force. The more-massive Earth attracts the less-massive Moon with a force

Figure M-7 -The maximum weight that can be held under the conditions illustrated is

Doubling the linear size of an object multiplies its area by

The body chiefly responsible for ocean tides is the

About Science

Newtons First Law of Motion: Inertia

Linear Motion

Newtons Second Law of Motion

Newtons Third Law of Motion: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Atomic Nature of Matter

Solids

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Gases and Plasmas

Temperature, Heat, and Expansion

Heat Transfer

Change of Phase

Thermodynamics

Vibrations and Waves

Sound

Musical Sounds

Electrostatics

Electric Current

Magnetism

Electromagnetic Induction

Properties of Light

Color

Reflection and Refraction

Light Waves

Light Emission

Light Quanta

The Atom and the Quantum

Atomic Nucleus and Radioactivity

Nuclear Fission and Fusion

Special Theory of Relativity

General Theory of Relativity

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