Chapter 32 Optical Images
27 (a) Use the mirror equation (Equation 32-4 where f = r/2) to calculate the image distances for the object distances and mirror of Problem 26. (b) Calculate the magnification for each given object distance.
Picture the Problem
Chapter 31 Properties of Light
26 Calculate the fraction of light energy reflected from an airwater interface at normal incidence. Picture the Problem Use the equation relating the intensity of reflected light at normal incidence to the intensity of the i
Chapter 30 Maxwells Equations and Electromagnetic Waves
19 [SSM] There is a current of 10 A in a resistor that is connected in series with a parallel plate capacitor. The plates of the capacitor have an area of 0.50 m2, and no dielectric exists between th
Chapter 29 Alternating-Current Circuits
16 An ideal transformer has N1 turns on its primary and N2 turns on its secondary. The average power delivered to a load resistance R connected across the secondary is P2 when the primary rms voltage is V1. The rms
Chapter 28 Magnetic Induction
20 A uniform magnetic field of magnitude 0.200 T is in the +x direction. A square coil that has 5.00-cm long sides has a single turn and makes an angle with the z axis, as shown in Figure 28-42. Find the magnetic flux through
Chapter 27 Sources of the Magnetic Field
13 [SSM] At time t = 0, a particle has a charge of 12 C, is located in the z = 0 plane at x = 0, y = 2.0 m, and has a velocity equal to 30 m/s i . Find the magnetic field in the z = 0 plane at (a) the origin, (b) x
Chapter 26 The Magnetic Field
1 [SSM] When the axis of a cathode-ray tube is horizontal in a region in which there is a magnetic field that is directed vertically upward, the electrons emitted from the cathode follow one of the dashed paths to the face of
Chapter 25 Electric Current and Direct-Current Circuits
34 An accelerator produces a beam of protons with a circular cross section that is 2.0 mm in diameter and has a current of 1.0 mA. The current density is uniformly distributed through the beam. The k
Chapter 24 Capacitance
5 [SSM] A parallel-plate capacitor is connected to a battery. The space between the two plates is empty. If the separation between the capacitor plates is tripled while the capacitor remains connected to the battery, what is the rat
Chapter 23 Electrical Potential
20 The facing surfaces of two large parallel conducting plates separated by 10.0 cm have uniform surface charge densities that are equal in magnitude but opposite in sign. The difference in potential between the plates is 5
Chapter 22 The Electric Field II: Continuous Charge Distributions
13 [SSM] A uniform line charge that has a linear charge density l equal to 3.5 nC/m is on the x axis between x = 0 and x = 5.0 m. (a) What is its total charge? Find the electric field on th
Chapter 21 The Electric Field I: Discrete Charge Distributions
22 A charge equal to the charge of Avogadros number of protons (NA = 6.02 1023) is called a faraday. Calculate the number of coulombs in a faraday. Picture the Problem One faraday = NAe. We ca