A hydrogen atom is in the 6h state. Which one of the following is not a magnetic quantum number for that state?
A) 0
B) 1
C) 2
D) 4
E) 6
E
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Diffraction grating #1 has twice the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order (m = 1) maxima. Which of the following statements is true for the same wavelength of light
a. Both gratings must also give second (m = 2) order maxima. b. It is possible that neither grating gives a second order maximum. c. Grating #1 must give a second order maximum. d. Grating #2 must give a second order maximum.
Magnetic Poles: Which one of the following statements is correct?
A. Earth's geographic north pole is the north pole of Earth's magnetic field. B. Earth's geographic south pole is the south pole of Earth's magnetic field. C. The north pole of a magnet points towards Earth's geographic north pole. D. The north pole of a magnet points towards Earth's geographic south pole. E. None of these statements is correct.
RC Circuits: A charged capacitor is connected in series with a resistor and an open switch. At time t = 0 s, the switch is closed. Which of the graphs below best describes the potential difference V across the capacitor as a function of time t?
A. A B. B C. C D. D E. E
A bus is designed to draw its power from a rotating flywheel that is brought up to its maximum speed (3000 rpm) by an electric motor. The flywheel is a solid cylinder of mass 250 kg and radius 0.500 m (Icylinder = MR2/2). If the bus requires an average power of 10.0 kW, how long will the flywheel rotate?
a. 154 s c. 463 s b. 308 s d. 617 s