Physics

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If the speed of light in a sphere is 2 108 m/s, its index of refraction is A) 0.50. B) 0.67. ... Started by Melani1276	1 Replies 36 Views	Jul 29, 2018 by Perkypinki
A person who sees more clearly under water without eyeglasses or a facemask is A) nearsighted. ... Started by javeds	3 Replies 71 Views	Jul 29, 2018 by meltdown117
A person standing waist-deep in a swimming pool appears to have short legs because of light A) ... Started by geoffrey	1 Replies 47 Views	Jul 29, 2018 by meryzewe
Light of different colors in a glass prism travel at A) different speeds. B) the same speed. C) ... Started by 123654777	1 Replies 64 Views	Jul 29, 2018 by bbburns21
The Moon's redness during a lunar eclipse is due to A) light of lower frequencies reflected from ... Started by jman1234	1 Replies 77 Views	Jul 29, 2018 by mrphibs
When a colored light in air shines on water and is refracted, its wavelength A) shortens. B) ... Started by segrsyd	3 Replies 251 Views	Jul 29, 2018 by InfiniteSteez
At night an underwater scuba diver aims a flashlight beam toward the surface at 15 to the normal. ... Started by dalyningkenk	1 Replies 116 Views	Jul 29, 2018 by stallen
A mirage occurs when light travels faster A) near the ground than higher up. B) in less dense ... Started by vicotolentino	1 Replies 78 Views	Jul 29, 2018 by dantucker
As monochromatic light passes from air to glass and back to air, changes occur in its A) ... Started by olgavictoria	1 Replies 107 Views	Jul 29, 2018 by akpaschal
A diver shines light upward to the surface of a smooth pond at 20 to the normal. Most light passes ... Started by ARLKQ	3 Replies 132 Views	Jul 29, 2018 by harveenkau8139
Which is a useful property of a prism? A) internally reflects 100 of incident light B) changes ... Started by cdr_15	1 Replies 65 Views	Jul 29, 2018 by beccamahon
The critical angle is least in A) glass. B) water. C) diamond. D) ... Started by BRWH	1 Replies 39 Views	Jul 29, 2018 by Expo
The refraction of light in a diamond is greater for A) long-wavelength light. B) ... Started by mydiamond	1 Replies 41 Views	Jul 29, 2018 by micaelaswann
The type of lens that brings parallel light rays together is a A) converging lens. B) diverging ... Started by Chelseaamend	3 Replies 111 Views	Jul 29, 2018 by ryansturges
Sunlight passing through a pinhole in a piece of card casts a solar image on the ground. If the card ... Started by mia	1 Replies 35 Views	Jul 29, 2018 by Mochi
When taking a photo of a nearby flower, your camera lens should be set A) closer than one focal ... Started by fbq8i	1 Replies 45 Views	Jul 29, 2018 by makaylafy
Light travels slower in a lens having a A) high index of refraction. B) low index of refraction. ... Started by Sufayan.ah	1 Replies 242 Views	Jul 29, 2018 by Sweetkitty24130
Magnification is greater with a lens having a A) high index of refraction. B) low index of ... Started by magmichele12	3 Replies 99 Views	Jul 29, 2018 by asdfghjkl;
Chromatic aberration is a consequence of different colors in a lens having different A) ... Started by MirandaLo	1 Replies 90 Views	Jul 29, 2018 by mmpiza
Huygens' principle applies mainly to A) refraction of waves in a medium. B) reflection of waves. ... Started by rayancarla1	1 Replies 55 Views	Jul 29, 2018 by duke02
According to Huygens' principle, every point on a wave A) is a diffraction source. B) behaves as ... Started by captainjonesify	1 Replies 60 Views	Jul 29, 2018 by scottmt
Plane waves incident upon a barrier that pass through a small opening A) continue as plane waves. ... Started by debasdf	3 Replies 115 Views	Jul 29, 2018 by SomethingSomething
Diffraction is evident when a wave passes A) through a small opening. B) the edge of an object. ... Started by colton	1 Replies 67 Views	Jul 29, 2018 by LP
Diffraction is most closely related to A) refraction. B) reflection. C) interference. D) ... Started by Chloeellawright	1 Replies 114 Views	Jul 29, 2018 by cascooper22
The device that spreads light into its component colors in a spectroscope is a A) prism. B) ... Started by lbcchick	1 Replies 105 Views	Jul 29, 2018 by bulacsom