X-ray production occurs in which process?
a. photons hitting a metal, emitting electrons
b. electrons hitting a metal, emitting photons
c. photons hitting a metal, emitting x-rays
d. electrons hitting a metal and scattering elastically
b
You might also like to view...
A person standing in the street is unaware of a bird dropping that is falling from a point directly above him with increasing velocity. If the dropping were producing sound of a fixed frequency, as it approaches the person would hear the sound
a. drop in frequency. b. stay at the same frequency. c. increase in frequency. d. decrease in loudness. e. stay at the same loudness.
A damped oscillator is released from rest with an initial displacement of 10.00 cm. At the end of the first complete oscillation the displacement reaches 9.05 cm. When 4 more oscillations are completed, what is the displacement reached?
a. 7.41 cm b. 6.71 cm c. 6.07 cm d. 5.49 cm e. 5.25 cm
An annular solar eclipse occurs
A. when the Moon in its orbit is closest to Earth, and, so not able to cover the complete disk of the Sun. B. every year when the Sun is highest in the sky. C. when the Moon in its orbit is farthest from Earth, and, so not able to cover the complete disk of the Sun. D. None of these choices is correct.
In transverse wave motion
a)The displacement is inversely proportional to the amplitude b)The particles in the transport medium move in circles c)The direction of particle vibration is parallel to the direction in which the wave is traveling. d)The amplitude of the propagated waves is perpendicular to the direction of wave travel.