mte_sol2 - 6 Of all EM waves the ones carrying the most...

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Unformatted text preview: 6) Of all EM waves, the ones carrying the most energy per photon are: A) microwaves. B) ultraviolet rays. visible light. gamma rays. E) radio waves. 7) The two forms of EM radiation that penetrate the atmosphere best are: A) X-rays and gamma rays. B) ultraviolet and visible light. visible and infrared light. ‘3‘ visible and radio waves. E) infrared and microwaves. 8) The visible waves carrying the most energy appear to the human eye as: A) red. B) orange C) green. D blue. violet. 9) The frequency at which a block body‘s intensity peaks depends directly on its: A) radius. B) mass. C) magnetic fields. temperature. ) direction of motion. 10) Ifa light source is approaching you, you will observe: A an apparent red shift of its spectral lines. @hat its light has become much bluer in color. ) that all of its spectral lines have become shorter in wavelength. D) that the amplitude of its waves have increased. E) that the speed of its photons have increased. 11) The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is: A a continuum, strongest in the color red. 6 a few bright lines against a dark background. C) a few dark line in the continuum. D) a continuum, but with both bright and dark lines mixed in. E) not in the visible portion of the spectrum. 12) The broadening of spectral lines can be caused by: A) density of the hot medium. B) thermal motion of the hot atoms. C) rotation of the star. D) magnetic fields of the star. @811 of the above. ...
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