Find the resonant frequency for a series LCR circuit where R = 20.0 W, C = 10.0 µF, and L = 8.0 mH
a. 1.59 kHz
c. 5.00 kHz
b. 563 Hz
d. 796 Hz
B
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Energy Levels: In a transition from one vibrational state to another, a molecule emits a photon of wavelength 5.56 µm. What is the energy difference between these two states? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A. 0.223 eV B. 2.23 MeV C. 13.6 eV D. 13.6 MeV E. 0.223 MeV
Brewster's Angle: A ray of light traveling in water hits a glass surface. The index of refraction of the water is 1.33, and that of the glass is 1.50. At what angle with the plane of the surface must the incident ray strike the glass in order that the polarization of the reflected ray is the greatest?
A. 36.9° B. 33.7° C. 41.6° D. 48.4° E. 53.1°
The temperature scale that places zero at the point where all atomic and molecular motion ceases is
A) Fahrenheit. B) Celsius. C) Kelvin. D) centigrade. E) Ransom.
A spherical particle of density 
and 2.00-mm radius is located at the same distance from the Sun as the Earth (RSE = 1.5 × 1011 m, G = 6.67 × 10-11 Nm2/kg2, S? = 1365 W/m2?, M S = 1.99 × 1030 kg) . If the particle absorbs 100 percent of the sunlight reaching it, the ratio of the force exerted by the solar radiation to the force of gravity exerted on the particle by the Sun is
A. 5.8 × 10?5. B. 0.58. C. 1.0. D. 1.7. E. 1.7 × 104.