Physics

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The function of polarizing filters in viewing 3-D slides or movies is to provide each eye A) the ... Started by jayhills49	1 Replies 72 Views	Jul 29, 2018 by ansleighelindsey
A throbbing pulse of electromagnetic radiation is called a A) proton. B) photon. C) phototron. ... Started by tiffannnnyyyyyy	1 Replies 226 Views	Jul 29, 2018 by kkenney
Light from a lit match originates with accelerating A) electrons. B) protons. C) neutrons. D) ... Started by jjjetplane	1 Replies 53 Views	Jul 29, 2018 by HandsomeMarc
The red laser beam from a helium-neon laser corresponds to a spectral line of A) helium. B) ... Started by jessicacav	3 Replies 215 Views	Jul 29, 2018 by sierramartinez
The energy of a photon depends on its A) speed. B) frequency. C) amplitude. D) all of the ... Started by 123654777	1 Replies 67 Views	Jul 29, 2018 by kaylee05
Which color of visible light carries the most energy per photon? A) red B) green C) blue D) ... Started by HCHenry	1 Replies 67 Views	Jul 29, 2018 by nathang24
Compared to the energy of a photon of red light, the energy of a photon of blue light is A) less. ... Started by mynx	1 Replies 134 Views	Jul 29, 2018 by flannelavenger
The best visible safety light in the darkroom that will emit low-energy photons is A) violet. B) ... Started by fasfsadfdsfa	3 Replies 136 Views	Jul 29, 2018 by Sassygurl126
An excited atom is an atom A) with excess vibration. B) with one or more displaced electrons. ... Started by Chelseaamend	1 Replies 82 Views	Jul 29, 2018 by emsimon14
Colors seen in the flames of a burning log originate with the variety of A) multi-layered ... Started by awywial	1 Replies 112 Views	Jul 29, 2018 by Bsand8
Neon atoms in a glass tube can be excited A) once per atom. B) repeatedly. C) by infrared ... Started by chads108	1 Replies 214 Views	Jul 29, 2018 by bulacsom
An atom that absorbs a certain amount of energy can then emit A) only a photon of that energy. ... Started by Engineer	3 Replies 131 Views	Jul 29, 2018 by spencer.martell
The air that you breathe doesn't emit visible light indicates that most of the electrons of its ... Started by B	1 Replies 142 Views	Jul 29, 2018 by l.stuut
If the energy levels in the neon atom were not discrete, neon signs would glow A) red. B) white. ... Started by P68T	1 Replies 882 Views	Jul 29, 2018 by perkiness
Discrete spectral lines are observed when excitation occurs in a A) solid. B) liquid. C) gas. ... Started by dollx	1 Replies 146 Views	Jul 29, 2018 by Christopher
The spectrum of a mercury vapor lamp under very high pressure appears as that from A) an ... Started by pragya sharda	3 Replies 102 Views	Jul 29, 2018 by bimper21
The Doppler effect due to motion of excited atoms in a glowing gas tends to make the spectral lines ... Started by javeds	1 Replies 97 Views	Jul 29, 2018 by CharlieArnold
If a certain object emits visible waves rather than infrared waves its temperature is A) higher. ... Started by asmith134	1 Replies 102 Views	Jul 29, 2018 by underwood14
Sometimes a flashlight filament glows red instead of white, which indicates a lowness of A) ... Started by Alainaaa8	1 Replies 67 Views	Jul 29, 2018 by cascooper22
Isolated bells ring clearly, while bells crammed in a box have a muffled ring. This is analogous to ... Started by urbanoutfitters	3 Replies 153 Views	Jul 29, 2018 by komodo7
The current definition of the standard second of time is based on A) the frequency of radiation ... Started by fox	1 Replies 67 Views	Jul 29, 2018 by bitingbit
If, in a parallel universe, has the value 3.14149, express in that universe to four significant ... Started by Melani1276	1 Replies 54 Views	Jul 29, 2018 by alvinum
What is to the proper number of significant figures? A) 0.91 B) 0.911 C) 0.9108 D) ... Started by RRMR	1 Replies 50 Views	Jul 29, 2018 by bdobbins
What does the prefix pico- stand for? What will be an ideal ... Started by james0929	3 Replies 68 Views	Jul 29, 2018 by Mholman93
When referring to the cgs system, what does the c, the g, and the s stand for? What will be an ... Started by Sufayan.ah	1 Replies 42 Views	Jul 29, 2018 by macybarnes