Which Uranian satellite appears to have been the most geologically active?
a. Titania
b. Ariel
c. Miranda
d. Umbriel
e. Oberon
c
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At which location will the electric field between the two parallel plates of a charged capacitor be the strongest in magnitude?
a. near the positive plate b. near the negative plate c. midway between the two plates at their ends d. midway between the two plates nearest their center
A charge of 25 nC is uniformly distributed along a circular arc (radius = 2.0 m) that is subtended by a 90-degree angle. What is the magnitude of the electric field at the center of the circle along which the arc lies?
a. 81 N/C b. 61 N/C c. 71 N/C d. 51 N/C e. 25 N/C
The hydrogen spectrum has a red line at 656 nm, and a blue line at 434 nm. What is the first order angular separation between the two spectral lines obtained with a diffraction grating with 5000 rulings/cm?
a. 7.7° b. 16.6° c. 6.6° d. 3.2° e. 19.2°