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1#

00.16: Consider an illu9p; :fkl0nxwvi f5to1h(5bfyminated object, a pinhole, and a screen arranged to form a pinhont5fxiw1 bpv;9(yf5k0 fho:l le image on the screen. Which of the following will occur if the screen is moved away from the pinhole?
I. the image will go out of focus
II. the image will become larger
III. the image will become brighter

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.13: The chlorophyll in most planyt ;pllk9a (o;ts is largely responsible for promoting photosynthesis and is also responsible for the green color we observe in most plants. Which of the following colors of light w(;p lo9k t;alyould be the least useful for photosynthesis in plants?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.09: When a beam of white al iv b/ p54gj/jvl5o3light passes through a prism, the exiting light is seen as a spectrum of visible colors. This phenomenon is knownl4 j/ai5 3/volgpv bj5 as

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.21: Modern telescopes use mirrors, rather than lenses, to form im17 n3lkxutgfex w4+gkkw -23gages. One advantage of mirrors over lenses is that the images formed b-k u1x 3eg3lxk+ ktn f72w4gwgy mirrors are not affected by:

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.30: Chromatic aberration from a lens is a consequence of6f a+7n))aclcxt q(gd2 jqa+p

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.35: Which one of the following choice7f1gwhk* l/2c s lc7k/ew*c lzs best describes what it means for an object to be irig/ *w/ll kcfz21h *we7ccls7kdescent?

A. The color of the object appears to change with a change in the angle of view

B. The object appears to have two images formed from it because of differences in index of refraction.

C. The color of the object appears to be different based on its temperature.

D. The object remains illuminated after turning off all surrounding light sources.

E. The object is alive and producing light biochemically

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