A proton (being 1836 times heavier than an electron) gains how much energy when moving through a potential increase of one volt?
A) 1836. eV
B) 1. eV
C) 0 eV
D) 1. Joule
E) 1836. J
B
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Both a radio wave and light wave have identical
A) speeds. B) wavelengths. C) frequencies. D) all of the above E) none of the above
Three point charges are placed on the x-axis, as follows. A charge of +2.0 ?C is at the origin, a charge of -2.0 ?C is at x = 50 cm,
and a charge of +4.0 ?C is at x = 100 cm. What are the magnitude and direction of the electrostatic force on the charge at the origin due to the other two charges? (k = 1/4??0 = 9.0 × 109 N ? m2/C2 )
Charge of a uniform density (8.0 nC/m2) is distributed over the entire xy plane. A charge of uniform density (3.0 nC/m2) is distributed over the parallel plane defined by z = 2.0 m. Determine the magnitude of the electric field for any point with z = 3.0 m
a. 0.79 kN/C b. 0.17 kN/C c. 0.62 kN/C d. 0.34 kN/C e. 0.28 kN/C
Light strikes a diamond (n = 2.42) at an angle of 60° relative to the normal to the surface. What is the angle of refraction?
a. 21° b. 30° c. 38° d. 69° e. 71°