Archives
Chapter 1 Motion in a circle at constant speed is motion
Chapter 1: The Study of Motion TRUE/FALSE 1. A vector quantity has only a magnitude and no direction associated with it. 2. Speed can sometimes be negative. ANS: T PTS: 1 3. Motion in a circle at constant speed is […]
Chapter 1 When Body Moves Circular Motion Constant Speed
42. The distance from the starting point in meters is a. 0 b. 2 c. 4 d. 8 e. 16 ANS: D PTS: 1 43. The velocity acquired after starting from rest in m/s is a. 0 b. 2 c. […]
Chapter 10 How small an object can a scanning tunneling microscope
d. 10.2 eV e. 13.6 eV 39. How small an object can a scanning tunneling microscope “see?” a. about the size of a mushroom spore b. about the size of a living cell c. as small as a single atom […]
Chapter 10 The Smallest Energy Absorbed Photon That
Chapter 10: Atomic Physics TRUE/FALSE 1. The photoelectric effect occurs when electrons are emitted when light strikes the surface of a metal. 2. A photon is quantum of electromagnetic radiation. ANS: T PTS: 1 3. An excited atom can lose […]
Chapter 11 The symbol indicating the atomic number of a nucleus is
Chapter 11: Nuclear Physics TRUE/FALSE 1. The atomic number equals the number of protons in a nucleus. 2. Two isotopes have the same mass number. ANS: F PTS: 1 3. The symbol indicating the atomic number of a nucleus is […]
Chapter 11 What isotopes are used as nuclear reactor fuel
e. binding energy 41. Magnetic confinement is used in controlled fusion experiments to a. provide neutrons b. accelerate nuclei c. control a plasma d. excite nuclei into higher energy levels e. inject energy into nuclei ANS: C PTS: 1 42. […]
Chapter 12 A particle that interacts via the strong force is
a. leptons b. baryons c. mesons d. intermediate (or gauge) bosons e. quarks 46. Quarks are bound together in hadrons by a. the strong force c. intermediate (or gauge) bosons b. the weak force d. the color force ANS: D […]
Chapter 12 Because of the equivalence of energy and mass
Chapter 12: Special Relativity and Elementary Particles TRUE/FALSE 1. Special relativity predicts that moving clocks run slow. 2. Special relativity predicts that the length of a moving object will be elongated in the direction of motion. ANS: F PTS: 1 […]
Chapter 2 constant net force perpendicular to velocity
c. grams d. gravity e. none of the above 46. How was the value of G first determined? a. by Cavendish, using a torsion balance b. by Eötvös, using a torsion balance c. via a gedanken experiment d. by Newton, […]
Chapter 2 The weight of an object equals its mass times the acceleration
Chapter 2: Newton’s Laws TRUE/FALSE 1. All forces have specific directions associated with them. 2. “Net force” means the vector sum of all the individual forces acting on a particular body. ANS: T PTS: 1 3. The weight of an […]
Chapter 3 The energy stored in a stretched spring is an example
Chapter 3: Energy and Conservation Laws TRUE/FALSE 1. Conservation laws can be used even when the details of what is occurring inside a system aren’t known. 2. The momentum of an object never changes. ANS: F PTS: 1 3. Kinetic […]
Chapter 3 way down the hill to a point where his gravitational potential
e. a unit of energy 41. An object moving in a circle at a steady speed has a. constant linear momentum b. constant angular momentum c. constant velocity d. constant acceleration ANS: B PTS: 1 NARRBEGIN: Kid slides down A […]
Chapter 4 The Area The Stick Pushing Against Your
37. When a 4 cubic ft block of wood floats in a fluid whose weight density is 60 pounds per cubic foot, 3/4 of the block’s volume is submerged. The buoyant force on the block is a. 60 lbs b. […]
Chapter 4 The difference between the pressures inside and outside
Chapter 4: Physics of Matter TRUE/FALSE 1. A device that measures absolute air pressure is called a barometer. 2. The difference between the pressures inside and outside a tire is called the absolute pressure. ANS: F PTS: 1 3. The […]
Chapter 5 if the weather report says the relative humidity
Chapter 5: Temperature and Heat TRUE/FALSE 1. Heat is transferred from a substance if it is exposed to something that has a lower temperature. 2. A barometer can work because of a bimetallic strip. ANS: F PTS: 1 3. One […]
Chapter 5 When Ice Melts Its Temperature Ans Stays
d. 0.036 kg/m3 e. 0.04 kg/m3 42. Air at a temperature of 32° F has a relative humidity of 60%. If the temperature of the same air rises to 40° F, the relative humidity a. stays the same b. increases […]
Chapter 6 The Wavelength Wave Multiplied The Frequency The
b. d. 42. The 3rd harmonic of a complex tone has a frequency of 1,200 Hz. The frequency of the tone is a. 200 Hz c. 600 Hz b. 400 Hz d. none of the above ANS: B PTS: 1 […]
Chapter 6 The number of cycles of a wave passing a point per unit
Chapter 6: Waves and Sound TRUE/FALSE 1. The flash from a camera is an example of a continuous wave. 2. The number of cycles of a wave passing a point per unit time is the wave’s period. ANS: F PTS: […]
Chapter 7 All three types of particles found in atoms are electrically
Chapter 7: Electricity TRUE/FALSE 1. An atom with fewer electrons than protons is a negative ion. 2. All three types of particles found in atoms are electrically charged. ANS: F PTS: 1 3. An object that has zero resistance is […]
Chapter 7 If two heaters are connected in parallel across the 120 volt
a. 0.01 J b. 360,000 J c. 100 J d. 6,000 J e. none of the above 48. The current in amperes drawn by the heater is a. 0.1 c. 144,000 b. 10 d. none of the above ANS: B […]
Chapter 8 The direction of a magnetic field at a point can be
Chapter 8: Electromagnetism and EM Waves TRUE/FALSE 1. The deviation from the way a compass needle points from the true north direction is the magnetic declination. 2. The direction of a magnetic field at a point can be determined by […]
Chapter 8 The Main Form Radiation That Our Bodies
c. the wavelength of the most intense light decreases d. the frequency of the most intense light increases e. all the above 37. A body in a room at 300 K is heated to 3,000 K. The amount of energy […]
Chapter 9 A movie projector is equipped with a 0.5 m focal length lens
40. Image height divided by object height gives a. image distance b. object distance c. magnification d. real image size e. virtual image size 41. Choose the lens having the shortest focal length. a. c. b. ANS: A PTS: 1 […]
Chapter 9 You do not see your image when you look at a flat rough
Chapter 9: Optics TRUE/FALSE 1. You can see your image in a mirror because of diffuse reflection. 2. You do not see your image when you look at a flat rough aluminum surface because of specular reflection. ANS: F PTS: […]