Chapter 40 Nuclear Physics
Conceptual Problems
1 Determine the Concept Two or more nuclides with the same atomic number Z but different N and A numbers are called isotopes. (a) Two other isotopes of 14N are: (b) Two other isotopes of 56Fe are: (c) T
Chapter 39 Relativity
Conceptual Problems
*1 Picture the Problem The total relativistic energy E of a particle is defined to be the sum of its kinetic and rest energies. The total relativistic energy of a particle is given by:
E = K + mc 2 = 1 mu 2
Chapter 18 Heat and the First Law of Thermodynamics
Conceptual Problems
1 Picture the Problem We can use the relationship Q = mcT to relate the temperature changes of bodies A and B to their masses, specific heats, and the amount of heat supplied to
Chapter 37 Molecules
Conceptual Problems
*1 Determine the Concept Yes. Because the center of charge of the positive Na ion does not coincide with the center of charge for the negative Cl ion, the NaCl molecule has a permanent dipole moment. Hence, i
Chapter 34 Wave-Particle Duality and Quantum Physics
Conceptual Problems
*1 Determine the Concept The Young double-slit experiment, the diffraction of light by a small aperture, and the J.J. Thomson cathode-ray experiment all demonstrated the wave n
Chapter 38 Solids and the Theory of Conduction
Conceptual Problems
1 Determine the Concept The energy lost by the electrons in collision with the ions of the crystal lattice appears as Joule heat (I2R). *2 Determine the Concept The resistivity of b
Chapter 17 Temperature and the Kinetic Theory of Gases
Conceptual Problems
*1 (a) False. If two objects are in thermal equilibrium with a third, then they are in thermal equilibrium with each other. (b) False. The Fahrenheit and Celsius temperature
Chapter 35 Applications of the Schrdinger Equation
Conceptual Problems
1 True 2 Determine the Concept Looking at the graphs in the text for the n = 1, 2, and 3 states, we note that the n = 4 state graph of the wave function must have four extrema i
Chapter 36 Atoms
Conceptual Problems
*1 Determine the Concept Examination of Figure 35-4 indicates that as n increases, the spacing of adjacent energy levels decreases. 2 Picture the Problem The energy of an atom of atomic number Z, with exactly on
Chapter 19 The Second Law of Thermodynamics
Conceptual Problems
1 Determine the Concept Friction reduces the efficiency of the engine. *2 Determine the Concept As described by the second law of thermodynamics, more heat must be transmitted to the o
Chapter 20 Thermal Properties and Processes
Conceptual Problems
*1 Determine the Concept The glass bulb warms and expands first, before the mercury warms and expands. 2 Determine the Concept The heating of the sheet causes the average separation of
HW1 - Due Wed Jan 17 - Ch 1: Prob 2, 29, 51; Ch 2: Prob 49, 57, 64 HW2 - Due Mon Jan 22 - Ch 2: Prob 71, 72, 73, 83, 115, 55 (hint: do 55 last) ("Lecture Homework" for Mon Jan 22 is for discussion in lecture and need not be submitted.) HW3 - Due Wed
Chapter 26 The Magnetic Field
Conceptual Problems
*1 Determine the Concept Because the electrons are initially moving at 90 to the magnetic field, they will be deflected in the direction of the magnetic force acting on them. Use the right-hand rule
Chapter 27 Sources of the Magnetic Field
Conceptual Problems
*1 Picture the Problem The electric forces are described by Coulomb's law and the laws of attraction and repulsion of charges and are independent of the fact the charges are moving. The ma
Chapter 25 Electric Current and Direct-Current Circuits
Conceptual Problems
*1 Determine the Concept When current flows, the charges are not in equilibrium. In that case, the electric field provides the force needed for the charge flow. 2 Determine
Chapter 24 Electrostatic Energy and Capacitance
Conceptual Problems
*1 Determine the Concept The capacitance of a parallel-plate capacitor is a function of the surface area of its plates, the separation of these plates, and the electrical properties
Chapter 23 Electrical Potential
Conceptual Problems
*1 Determine the Concept A positive charge will move in whatever direction reduces its potential energy. The positive charge will reduce its potential energy if it moves toward a region of lower el
Chapter 22 The Electric Field 2: Continuous Charge Distributions
Conceptual Problems
*1 (a) False. Gauss's law states that the net flux through any surface is given by net = En dA = 4kQinside . While it is true that Gauss's law is easiest to apply t
Chapter 21 The Electric Field 1: Discrete Charge Distributions
Conceptual Problems
*1 Similarities: The force between charges and masses varies as 1/r2. The force is directly proportional to the product of the charges or masses.
Differences: There
Chapter 33 Interference and Diffraction
Conceptual Problems
*1 Determine the Concept The energy is distributed nonuniformly in space; in some regions the energy is below average (destructive interference), in others it is higher than average (constr
Chapter 16 Superposition and Standing Waves
Conceptual Problems
*1 Picture the Problem We can use the speeds of the pulses to determine their positions at the given times.
2 Picture the Problem We can use the speeds of the pulses to determine thei
Chapter 9 Rotation
Conceptual Problems
*1 Determine the Concept Because r is greater for the point on the rim, it moves the greater distance. Both turn through the same angle. Because r is greater for the point on the rim, it has the greater speed.
Chapter 30 Maxwell's Equations and Electromagnetic Waves
Conceptual Problems
*1 (a) False. Maxwell's equations apply to both time-independent and time-dependent fields. (b) True (c) True (d) True (e) False. The magnitudes of the electric and magneti
Chapter 1 Systems of Measurement
Conceptual Problems
*1 Determine the Concept The fundamental physical quantities in the SI system include mass, length, and time. Force, being the product of mass and acceleration, is not a fundamental quantity. (c)
Chapter 3 Motion in Two and Three Dimensions
Conceptual Problems
*1 Determine the Concept The distance traveled along a path can be represented as a sequence of displacements.
Suppose we take a trip along some path and consider the trip as a sequen
Chapter 6 Work and Energy
Conceptual Problems
*1 Determine the Concept A force does work on an object when its point of application moves through some distance and there is a component of the force along the line of motion. (a) False. The net force
Chapter 5 Applications of Newton's Laws
Conceptual Problems
1 Determine the Concept Because the objects are speeding up (accelerating), there must be a net force acting on them. The forces acting on an object are the normal force exerted by the floo
Chapter 8 Systems of Particles and Conservation of Momentum
Conceptual Problems
1 Determine the Concept A doughnut. The definition of the center of mass of an object does not require that there be any matter at its location. Any hollow sphere (such
Chapter 29 Alternating-Current Circuits
Conceptual Problems
*1 Determine the Concept Because the rms current through the resistor is given by
I rms = rms R and both rms and R are independent of frequency, (b) is correct.
2 Picture the Problem We