Different colors correspond to electromagnetic waves of different
A) frequencies. B) speeds. C) amplitudes. D) weights. E) intensities.
A
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If helium nuclei and protons are each accelerated from rest through the same potential difference V, which gets the greatest kinetic energy and by what factor is it greater?
A. the protons get twice as much kinetic energy B. the helium nuclei get twice as much kinetic energy C. they both get the same kinetic energy D. the protons get four times as much kinetic energy E. the helium nuclei get four times as much kinetic energy
A 0.500-H inductor is connected into a 110 V rms 60.0-Hz voltage source, with an ammeter in series. What is the rms value of the current through the inductor?
A. 0.189 A (rms) B. 0.292 A (rms) C. 0.584 A (rms) D. 1.19 A (rms) E. 0.093 A (rms)
You look at yourself in a plane mirror. If you move away from the mirror and look at yourself again, you now see more of yourself
a. True b. False Indicate whether the statement is true or false
The fundamental frequency of an open tube corresponds to a wavelength equal to one-half of the length of the tube
Indicate whether the statement is true or false