Question 1

If an operatic aria lasts for 5.75 min,its length expressed in seconds is x s,where x is

Accepted Answer

A)  less than 5.75. 
B)  greater than 5.75. 
A)  less than 5.75. 
B)  greater than 5.75.

Question 2

Gamma rays are photons with very high energy. How many visible-light photons with a wavelength of 500 nm would you need to match the energy of a gamma-ray photon with energy 4.1 × 10-13?
(h = 6.626 × 10-34 J • s,c = 3.00 × 108 m/s)

Accepted Answer

A)  1.0 × 106 
B)  1.4 × 108 
C)  6.2 × 109 
D)  3.9 × 103 
A)  1.0 × 106 
B)  1.4 × 108 
C)  6.2 × 109 
D)  3.9 × 103

Question 3

A quantity of ideal gas requires 800 kJ to raise the temperature of the gas by 10.0 K when the gas is maintained at constant volume. The same quantity of gas requires 900 kJ to raise the temperature of the gas by 10.0 K when the gas is maintained at constant pressure. What is the adiabatic constant γ for this gas?

Accepted Answer

A)  0.889 
B)  1.13 
C)  1.22 
D)  1.67 
E)  1.40 
A)  0.889 
B)  1.13 
C)  1.22 
D)  1.67 
E)  1.40

Question 4

Consider a spherical Gaussian surface of radius R centered at the origin.A charge Q is placed inside the sphere.To maximize the magnitude of the flux of the electric field through the Gaussian surface,the charge should be located

Accepted Answer

A)  at x = 0, y = 0, z = R/2. 
B)  at the origin. 
C)  at x = R/2, y = 0, z = 0. 
D)  at x = 0, y = R/2, z = 0. 
E)  The charge can be located anywhere, since flux does not depend on the position of the charge as long as it is inside the sphere. 
A)  at x = 0, y = 0, z = R/2. 
B)  at the origin. 
C)  at x = R/2, y = 0, z = 0. 
D)  at x = 0, y = R/2, z = 0. 
E)  The charge can be located anywhere, since flux does not depend on the position of the charge as long as it is inside the sphere.

Question 5

When a rigid body rotates about a fixed axis,all the points in the body have the same

Accepted Answer

A)  tangential speed. 
B)  angular acceleration. 
C)  tangential acceleration. 
D)  linear displacement. 
E)  centripetal acceleration. 
A)  tangential speed. 
B)  angular acceleration. 
C)  tangential acceleration. 
D)  linear displacement. 
E)  centripetal acceleration.

Question 6

In a photoelectric effect experiment,electrons emerge from a copper surface with a maximum kinetic energy of 1.10 eV when light shines on the surface.The work function of copper is 4.65 eV.Which one of the following values is closest to the wavelength of the light? (h = 6.626 × 10-34 J • s,c = 3.00 × 108 m/s,
1 eV = 1.60 × 10-19 J)

Accepted Answer

A)  220 nm 
B)  150 nm 
C)  360 nm 
D)  1100 nm 
A)  220 nm 
B)  150 nm 
C)  360 nm 
D)  1100 nm

Question 7

In the figure,two solenoids are side by side.The switch S,initially open,is closed.The induced current through the resistor R is

Accepted Answer

A)  from a to b. 
B)  from b to a. 
C)  There is no induced current through the resistor. 
A)  from a to b. 
B)  from b to a. 
C)  There is no induced current through the resistor.

Question 8

As shown in the figure,three force vectors act on an object.The magnitudes of the forces as shown in the figure are F1 = 80.0 N,F2 = 60.0 N,and F3 = 40.0 N,where N is the standard SI unit of force.The resultant force acting on the object is given by

Accepted Answer

A)  180 N at an angle 60.0° with respect to +x-axis. 
B)  60.0 N at an angle 90.0° with respect to +x-axis. 
C)  20.0 N at an angle 34.3° with respect to +x-axis. 
D)  35.5 N at an angle 34.3° with respect to +x-axis. 
E)  40.0 N at an angle 60.0° with respect to +x-axis. 
A)  180 N at an angle 60.0° with respect to +x-axis. 
B)  60.0 N at an angle 90.0° with respect to +x-axis. 
C)  20.0 N at an angle 34.3° with respect to +x-axis. 
D)  35.5 N at an angle 34.3° with respect to +x-axis. 
E)  40.0 N at an angle 60.0° with respect to +x-axis.

Question 9

At 50.0°C,the average translational kinetic energy of a gas molecule is K.If the temperature is now increased to 100.0°C,the average translational kinetic energy of a molecule will be closest to

Accepted Answer

A)  1.07K. 
B)  1.15K. 
C)  1.41K. 
D)  2.00K. 
E)  4.00K. 
A)  1.07K. 
B)  1.15K. 
C)  1.41K. 
D)  2.00K. 
E)  4.00K.

Question 10

System S' has a velocity u = +0.56c relative to system S,as shown in the figure.The clocks of S and S'are synchronized at t = t' = 0 when the origins O and O' coincide.An event is observed in both systems.The event takes place at x = 800 m and at time t = 3.0 μs as measured by an observer in S.What is the time t' of the event,measured by an observer in S'?

Accepted Answer

A)  1.8 μs 
B)  -4.9 μs 
C)  1.7 μs 
D)  1.3 μs 
E)  1.5 μs 
A)  1.8 μs 
B)  -4.9 μs 
C)  1.7 μs 
D)  1.3 μs 
E)  1.5 μs

Question 11

A single slit forms a diffraction pattern,with the first minimum at an angle of 40.0° from central maximum,using monochromatic light of 490-nm wavelength.What is the width of the slit?

Accepted Answer

A)  762 nm 
B)  731 nm 
C)  700 nm 
D)  668 nm 
E)  637 nm 
A)  762 nm 
B)  731 nm 
C)  700 nm 
D)  668 nm 
E)  637 nm

Question 12

The height of the ceiling in a typical home,apartment,or dorm room is closest to

Accepted Answer

A)  100 cm. 
B)  200 cm. 
C)  400 cm. 
D)  500 cm. 
A)  100 cm. 
B)  200 cm. 
C)  400 cm. 
D)  500 cm.

Question 13

Which of following graphs describes simple periodic motion with amplitude 2.00 cm and angular frequency 2.00 rad/s?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 14

A 0.50-kg object is attached to an ideal massless spring of spring constant 20 N/m along a horizontal,frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.
(a)What is the amplitude of vibration?
(b)At what location are the kinetic energy and the potential energy of the system the same?

Accepted Answer

(a)0.24 m

Question 15

A 2.50-kg stone is dropped from rest at a height of 3.75 m.What impulse does gravity impart to this stone from the instant it is dropped until it hits the ground,assuming negligible air resistance?

Accepted Answer

The answer of A 2.50-kg stone is dropped from rest...

Question 16

A coaxial cable consists of an inner cylindrical conductor of radius R1 = 0.040 m on the axis of an outer hollow cylindrical conductor of inner radius R2 = 0.080 m and outer radius R3 = 0.090 m. The inner conductor carries current I1= 4.40 A in one direction,and the outer conductor carries current I2 = 7.70 A in the opposite direction.What is the magnitude of the magnetic field at the following distances from the central axis of the cable? (μ0 = 4π × 10-7 T • m/A)
(a)At r = 0.060 m (in the gap midway between the two conductors)
(b)At r = 0.150 m (outside the cable)

Accepted Answer

_(a)_B₌1.47 × 10^-5_T

Question 17

One very small uniformly charged plastic ball is located directly above another such charge in a test tube as shown in the figure.The balls are in equilibrium a distance d apart.If the charge on each ball is doubled,the distance between the balls in the test tube would become

Accepted Answer

A)    d. 
B)  2d. 
C)  4d. 
D)  8d. 
A)    d. 
B)  2d. 
C)  4d. 
D)  8d.

Question 18

Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnitude of the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (μ0 = 4π × 10-7 T • m/A)

Accepted Answer

A)  1.5 µT 
B)  3.3 µT 
C)  6.7 µT 
D)  33 µT 
E)  67 µT 
A)  1.5 µT 
B)  3.3 µT 
C)  6.7 µT 
D)  33 µT 
E)  67 µT

Question 19

Coherent monochromatic light of wavelength 632.8 nm passes through a pair of thin parallel slits.The figure shows the central portion of the pattern of bright fringes viewed on a screen 1.40 m beyond the slits.What is the distance between the two slits?

Accepted Answer

A)  0.0703 mm 
B)  0.141 mm 
C)  0.281 mm 
D)  0.562 mm 
E)  0.633 mm 
A)  0.0703 mm 
B)  0.141 mm 
C)  0.281 mm 
D)  0.562 mm 
E)  0.633 mm

Question 20

In a series LRC circuit,the frequency at which the circuit is at resonance is f0.If you double the resistance,the inductance,the capacitance,and the voltage amplitude of the ac source,what is the new resonance frequency?

Accepted Answer

A)  4 f0 
B)  2 f0 
C)  f0 
D)  f0/2 
E)  f0/4 
A)  4 f0 
B)  2 f0 
C)  f0 
D)  f0/2 
E)  f0/4

Exam 1: A: Foundations

If an operatic aria lasts for 5.75 min,its length expressed in seconds is x s,where x is

Gamma rays are photons with very high energy. How many visible-light photons with a wavelength of 500 nm would you need to match the energy of a gamma-ray photon with energy 4.1 × 10-13? (h = 6.626 × 10-34 J • s,c = 3.00 × 108 m/s)

Consider a spherical Gaussian surface of radius R centered at the origin.A charge Q is placed inside the sphere.To maximize the magnitude of the flux of the electric field through the Gaussian surface,the charge should be located

When a rigid body rotates about a fixed axis,all the points in the body have the same

In the figure,two solenoids are side by side.The switch S,initially open,is closed.The induced current through the resistor R is

As shown in the figure,three force vectors act on an object.The magnitudes of the forces as shown in the figure are F1 = 80.0 N,F2 = 60.0 N,and F3 = 40.0 N,where N is the standard SI unit of force.The resultant force acting on the object is given by

At 50.0°C,the average translational kinetic energy of a gas molecule is K.If the temperature is now increased to 100.0°C,the average translational kinetic energy of a molecule will be closest to

A single slit forms a diffraction pattern,with the first minimum at an angle of 40.0° from central maximum,using monochromatic light of 490-nm wavelength.What is the width of the slit?

The height of the ceiling in a typical home,apartment,or dorm room is closest to

Which of following graphs describes simple periodic motion with amplitude 2.00 cm and angular frequency 2.00 rad/s?

A 2.50-kg stone is dropped from rest at a height of 3.75 m.What impulse does gravity impart to this stone from the instant it is dropped until it hits the ground,assuming negligible air resistance?

One very small uniformly charged plastic ball is located directly above another such charge in a test tube as shown in the figure.The balls are in equilibrium a distance d apart.If the charge on each ball is doubled,the distance between the balls in the test tube would become

Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnitude of the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (μ0 = 4π × 10-7 T • m/A)

Coherent monochromatic light of wavelength 632.8 nm passes through a pair of thin parallel slits.The figure shows the central portion of the pattern of bright fringes viewed on a screen 1.40 m beyond the slits.What is the distance between the two slits?

In a series LRC circuit,the frequency at which the circuit is at resonance is f0.If you double the resistance,the inductance,the capacitance,and the voltage amplitude of the ac source,what is the new resonance frequency?

Foundations

Motion in One Dimension

Acceleration

Momentum

Energy

Principle of Relativity

Interactions

Force

Work

Motion in a Plane

Motion in a Circle

Torque

Gravity

Special Relativity

Periodic Motion

Waves in One Dimension

Waves in Two and Three Dimensions

Fluids

Entropy

Energy Transferred Thermally

Degradation of Energy

Electric Interactions

The Electric Field

Gausss Law

Work and Energy in Electrostatics

Charge Separation and Storage

Magnetic Interactions

Magnetic Fields of Charged Particles in Motion

Changing Magnetic Fields

Changing Electric Fields

Electric Circuits

Electronics

Ray Optics

Wave and Particle Optics

Filters

Gamma rays are photons with very high energy. How many visible-light photons with a wavelength of 500 nm would you need to match the energy of a gamma-ray photon with energy 4.1 × 10^-¹³? (h = 6.626 × 10^-34 J • s,c = 3.00 × 10⁸ m/s)

As shown in the figure,three force vectors act on an object.The magnitudes of the forces as shown in the figure are F₁ = 80.0 N,F₂ = 60.0 N,and F₃ = 40.0 N,where N is the standard SI unit of force.The resultant force acting on the object is given by

Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnitude of the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (μ₀ = 4π × 10^-7 T • m/A)

In a series LRC circuit,the frequency at which the circuit is at resonance is f₀.If you double the resistance,the inductance,the capacitance,and the voltage amplitude of the ac source,what is the new resonance frequency?