1 A) circle B) back-and-forth motion C) curved line D) straight line 2 A) how lasers travel in space B) how light traveled around two mountains C) the Moon D) the orbit of Io, a moon of Jupiter 3 In the figure below, if the candle were moved so that it was d /2 to the right of the screen, but the lamp was not moved, how would the luminous intensity of the lamp have to be adjusted to make each side of the screen equally illuminated?
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617924/mq.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (7.0K)</a>]]> A) It would need to be quartered. B) It would need to be halved. C) It would need to be doubled. D) It would need to be quadrupled. 4 A) distance and brightness B) hardness and color C) distance and hardness D) color and brightness 5 A) Luminous flux B) Frequency flux C) Illuminated flux D) Amplitude flux 6 In the figure below, if r is decreased to 0.25 m, what will be the illuminance of the sphere?
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617924/mr.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>]]> A) 2224 lx B) 556 lx C) 139 lx D) 8.69 lx 7 A) decreases with an inverse relationship B) decreases with an inverse square relationship C) increases with an inverse square relationship D) increases with an inverse relationship 8 In the figure below, if r is decreased to 0.25 m, what will be the total luminous flux striking the inside of the sphere?
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617924/mr.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>]]> A) 1750 lm B) 7000 lm C) 438 lm D) 875 lm 9 In the figure below, if the candle were moved so that it was 2d to the right of the screen, but the lamp was not moved, how would the luminous intensity of the lamp have to be adjusted to make each side of the screen equally illuminated?
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617924/mq.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (7.0K)</a>]]> A) It would need to be halved. B) It would need to be quartered. C) It would need to be quadrupled. D) It would need to be doubled. 10 A) light travels instantaneously B) the correct speed of light C) light has no speed D) light travels at a finite speed 11 A) laminated body B) radiating body C) reflecting body D) illuminated body 12 A) e B) c C) d D) a 13 A) Fluorescence B) Illuminance flux C) Luminous flux D) Illuminance 14 A) transparent B) transgressant C) opaque D) translucent 15 A) magenta light B) green light C) yellow light D) cyan light 16 A) primary pigment color B) tertiary pigment color C) secondary light color D) secondary pigment color 17 A) doubled B) completely eliminated C) cut in half D) reduced by 1/4 18 A) Light is polarized by reflection. B) Only mirrors can polarize light. C) Polarizing filters contain both a polarizer and an analyzer. D) Light is polarized by refraction. 19 A) prisms distort images B) white light is composed of colors C) prisms are transparent D) light travels at a constant speed 20 Based on the figure below, which of the following wavelengths would most likely be yellow light?
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617924/ms.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>]]> A) 550 nm B) 480 nm C) 650 nm D) 400 nm 21 A) a wave only B) a particle and a wave C) neither a particle nor a wave D) a particle only 22 A) a shorter wavelength B) a faster speed C) a longer wavelength D) a lower frequency 23 A) right angles B) 30° angles C) 180° angles D) parallel angles 24 A) magenta B) violet C) indigo D) purple 25 A) Violet is shorter. B) Violet is higher. C) They are identical. D) They cancel each other out. 26 A) black and white B) primary C) complementary D) secondary
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