##### What is the mass of a single proton in kilograms? 1. [ ] 1.67 x 10^-27 kg 2. [ ] 9.11 x 10^-31 kg 3. [x] 1.67 x 10^-24 kg 4. [ ] 1.01 x 10^-26 kg ##### What is the speed of light in a vacuum in meters per second? 1. [x] 299,792,458 m/s 2. [ ] 3 x 10^8 m/s 3. [ ] 2.997 x 10^8 m/s 4. [ ] 300,000,000 m/s ##### What is the formula for calculating potential energy in a conservative force field? 1. [ ] PE = mgh 2. [x] PE = mgh 3. [ ] PE = 1/2 mv^2 4. [ ] PE = Fd ##### What is the force of gravity between two objects in a vacuum? 1. [ ] F = G\*(m1^2)\*(m2^2) 2. [x] F = G\*(m1*m2)/r^2 3. [ ] F = G\*(m1*m2) 4. [ ] F = G*m1/r^2 ##### What is the frequency range of radio waves in hertz? 1. [ ] 10^3 to 10^6 Hz 2. [ ] 10^6 to 10^9 Hz 3. [x] 10^4 to 10^11 Hz 4. [ ] 10^11 to 10^15 Hz ##### What is the wavelength of microwaves in meters? 1. [ ] 10^-2 to 10^-4 m 2. [ ] 10^-6 to 10^-2 m 3. [x] 10^-3 to 10^-1 m 4. [ ] 10^-1 to 1 m ##### What is the resistance of a perfect conductor in ohms? 1. [ ] 0 2. [x] 0 3. [ ] ∞ 4. [ ] 1 ##### What is the amount of heat required to raise the temperature of one gram of water by one degree Celsius? 1. [x] 4.184 J/g°C 2. [ ] 1 J/g°C 3. [ ] 4184 J/g°C 4. [ ] 0.4184 J/g°C ##### What is the amount of energy released during a nuclear fission reaction of one mole of uranium-235? 1. [ ] 0.15 MeV 2. [ ] 200 MeV 3. [x] 200 MeV 4. [ ] 2 MeV ##### What is the boiling point of water in degrees Celsius at standard atmospheric pressure? 1. [x] 100°C 2. [ ] 0°C 3. [ ] 373 K 4. [ ] 273 K ##### What is the acceleration of gravity near the surface of the Earth in meters per second squared? 1. [ ] 10 m/s^2 2. [x] 9.81 m/s^2 3. [ ] 9.8 m/s^2 4. [ ] 1 m/s^2 ##### What is the unit of pressure in the SI system of units? 1. [ ] N 2. [ ] N/m 3. [x] Pa 4. [ ] J ##### What is the angle between a magnetic field and a conductor experiencing a maximum force? 1. [ ] 90° 2. [ ] 45° 3. [x] 90° 4. [ ] 0° ##### What is the voltage across a capacitor in a DC circuit after a long time? 1. [x] 0 V 2. [ ] V\_initial 3. [ ] V\_initial/2 4. [ ] V\_initial \* e^(-t/RC) ##### What is the maximum theoretical efficiency of a Carnot engine operating between two temperatures? 1. [x] 1 - (T2/T1) 2. [ ] (T2/T1) 3. [ ] (T1/T2) 4. [ ] 1 - (T1/T2) ##### What is the entropy change of a perfect gas during an isothermal process in which the volume doubles? 1. [ ] -nR ln(2) 2. [x] nR ln(2) 3. [ ] 0 4. [ ] -2nR ##### What is the energy of an electron in the hydrogen atom in the ground state? 1. [x] -13.6 eV 2. [ ] 13.6 eV 3. [ ] -0.5 eV 4. [ ] 0.5 eV ##### What is the momentum of a photon with a wavelength of 500 nm? 1. [ ] 7.06 x 10^-25 kg m/s 2. [x] 6.63 x 10^-34 kg m/s 3. [ ] 6.63 x 10^-25 kg m/s 4. [ ] 7.06 x 10^-34 kg m/s ##### What is the period of a simple pendulum with a length of 1 m and an angular amplitude of 5°? 1. [x] 2.01 s 2. [ ] 2.00 s 3. [ ] 2.03 s 4. [ ] 2.02 s ##### What is the color of light with a wavelength of 450 nm? 1. [x] Blue 2. [ ] Red 3. [ ] Green 4. [ ] Yellow ##### What is the temperature at which water has its maximum density? 1. [x] 4°C 2. [ ] 0°C 3. [ ] 100°C 4. [ ] 10°C ##### What is the angle of incidence at which light is totally internally reflected at the interface between two media with different refractive indices? 1. [ ] 60° 2. [x] 45° 3. [ ] 90° 4. [ ] 30° ##### What is the force required to accelerate a 10 kg object at 5 m/s^2? 1. [x] 50 N 2. [ ] 10 N 3. [ ] 5 N 4. [ ] 25 N ##### What is the work done by a constant force with a magnitude of 10 N over a displacement of 2 m in the direction of the force? 1. [x] 20 J 2. [ ] 10 J 3. [ ] 5 J 4. [ ] 0 J ##### What is the electrical resistance of a wire with a length of 5 m, a cross-sectional area of 2 mm^2, and a resistivity of 1.7 x 10^-8 Ωm? 1. [x] 0.0175 Ω 2. [ ] 17.5 Ω 3. [ ] 1.75 Ω 4. [ ] 175 Ω ##### What is the electric field of a parallel-plate capacitor with a voltage difference of 10 V and a plate separation of 1 mm? 1. [x] 10^6 V/m 2. [ ] 10^3 V/m 3. [ ] 10^2 V/m 4. [ ] 10 V/m ##### What is the magnetic field strength of a solenoid with 500 turns per meter and a current of 2 A? 1. [ ] 1 T 2. [ ] 10^-2 T 3. [x] 10^-3 T 4. [ ] 0.1 T ##### What is the power dissipated by a resistor with a resistance of 2 Ω in a circuit with a voltage of 10 V and a current of 2 A? 1. [x] 20 W 2. [ ] 40 W 3. [ ] 10 W 4. [ ] 5 W ##### What is the wavelength of an X-ray photon with an energy of 10 keV? 1. [ ] 1.24 x 10^-9 m 2. [x] 1.24 x 10^-11 m 3. [ ] 1.24 x 10^-7 m 4. [ ] 1.24 x 10^-13 m ##### What is the time it takes for light to travel from the Sun to the Earth, which are separated by a distance of approximately 1 astronomical unit (AU)? 1. [x] 8.33 minutes 2. [ ] 4.22 minutes 3. [ ] 16.67 minutes 4. [ ] 24.99 minutes ##### What is the velocity of a particle with a de Broglie wavelength of 500 nm? 1. [x] 6.63 x 10^3 m/s 2. [ ] 6.63 x 10^-3 m/s 3. [ ] 6.63 x 10^-2 m/s 4. [ ] 6.63 x 10^-4 m/s ##### What is the specific heat capacity of water at constant pressure in J/g°C? 1. [ ] 4.2 J/g°C 2. [ ] 42 J/g°C 3. [x] 4.184 J/g°C 4. [ ] 0.4184 J/g°C ##### What is the coefficient of thermal expansion of aluminum in K^-1? 1. [ ] 2.3 x 10^-5 K^-1 2. [ ] 1.2 x 10^-5 K^-1 3. [x] 2.4 x 10^-5 K^-1 4. [ ] 3.6 x 10^-5 K^-1 ##### What is the tensile strength of steel in MPa? 1. [x] 250 MPa to 1000 MPa 2. [ ] 25 MPa to 100 MPa 3. [ ] 2500 MPa to 10,000 MPa 4. [ ] 2.5 MPa to 10 MPa ##### What is the Rydberg constant in m^-1? 1. [x] 1.097 x 10^7 m^-1 2. [ ] 1.097 x 10^5 m^-1 3. [ ] 1.097 x 10^-7 m^-1 4. [ ] 1.097 x 10^3 m^-1 ##### What is the mass of a neutron in kg? 1. [x] 1.67 x 10^-27 kg 2. [ ] 1.67 x 10^-24 kg 3. [ ] 1.67 x 10^-30 kg 4. [ ] 1.67 x 10^-21 kg ##### What is the work function of cesium in eV? 1. [x] 2.14 eV 2. [ ] 4.28 eV 3. [ ] 1.09 eV 4. [ ] 0.53 eV ##### What is the Poynting vector in electromagnetism? 1. [ ] The electric field 2. [x] The cross product of the electric and magnetic fields 3. [ ] The magnetic field 4. [ ] The product of the permittivity and permeability of free space ##### What is the formula for centripetal acceleration in SI units? 1. [ ] a = v^2/r 2. [x] a = v^2/r 3. [ ] a = v/r 4. [ ] a = r/v ##### What is the charge-to-mass ratio of an electron in C/kg? 1. [ ] 1.76 x 10^11 C/kg 2. [ ] 1.76 x 10^-11 C/kg 3. [x] -1.76 x 10^11 C/kg 4. [ ] 1.76 x 10^-12 C/kg ##### What is the Compton wavelength of an electron in m? 1. [x] 2.43 x 10^-12 m 2. [ ] 2.43 x 10^-15 m 3. [ ] 2.43 x 10^-18 m 4. [ ] 2.43 x 10^-9 m ##### What is the critical angle for total internal reflection at a glass-air interface for light with a wavelength of 500 nm, given a refractive index of glass of 1.5? 1. [ ] 26.6° 2. [ ] 45.8° 3. [x] 41.8° 4. [ ] 33.8° ##### What is the mass of a silver atom in kg? 1. [x] 1.79 x 10^-25 kg 2. [ ] 1.79 x 10^-22 kg 3. [ ] 1.79 x 10^-28 kg 4. [ ] 1.79 x 10^-31 kg ##### What is the gravitational constant in N(m/kg)^2? 1. [x] 6.674 x 10^-11 N(m/kg)^2 2. [ ] 6.674 x 10^-14 N(m/kg)^2 3. [ ] 6.674 x 10^-18 N(m/kg)^2 4. [ ] 6.674 x 10^-15 N(m/kg)^2 ##### What is the volume of a cube with a side length of 3 m in m^3? 1. [x] 27 m^3 2. [ ] 3 m^3 3. [ ] 6 m^3 4. [ ] 9 m^3