An electron is released such that its initial velocity is from right to left across this page. The electron's path, however, is deflected in a direction toward the bottom edge of the page due to the presence of a uniform magnetic field. What is the direction of this field?
a. from bottom edge to top edge of the page
b. into the page
c. from right to left across the page
d. out of the page
D
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A photon of wavelength 29 pm is scattered by a stationary electron. What is the maximum possible energy loss of the photon? (mel = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s, c = 3.00 × 108 m/s)
A) 4.0 keV B) 7.0 keV C) 10 keV D) 6.1 keV E) 12 keV
The double-slit experiment with electrons illustrates the surprising idea that
A) the microscopic behavior of matter is entirely predictable. B) electrons sometimes behave like waves. C) light is composed of tiny particles. D) electrons sometimes behave like tiny particles. E) light is a wave
A billiard ball collides in an elastic head-on collision with a second stationary identical ball. After the collision which of the following conditions applies to the first ball?
a. maintains the same velocity as before c. comes to rest b. has one-half its initial velocity d. moves in the opposite direction
When subsurface ground material is completely saturated with water, we call it
A) the water table. B) groundwater. C) the saturated zone. D) the unsaturated zone.