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1#

00.16: Consider an illuminated object, a pinhole, and a screen a zupjzp w02n*zc/p (4grranged to form a pinhole image on the scrzzzcng/*2j(p p0 u4pw een. 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 plants is largely responsible forp d 3p4ift a(*;j,cnfasa.9 dw7zk j6r promoting photosynthesis and is also responsible for the green color we observe in most plants. Which of the following colors of light would be the least useful for photosynthew(7rf3cz pnjid6pa; 4aj.9df*,s a ktsis 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 light passes through a prism, the exfd;5v2e njki+q(lb 0uuv*n3ix j:mw.kjg l 67iting light is seen as a spectrum of visible colors. This pj kunj 3(.q2 +n5i ll6mfvew kxgd 0b;j:iv7u*henomenon is known 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 images. ols;4legol-k* - zl.dvk1+ n nOne advantage of mirrors over lenses is th-*.kl+;lodo ngk e 1zv-n4lls at the images formed by 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 fra,l h( j;y3mfafz py 67vio,dsl 11)xhom a lens is a consequence of

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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 choices best describes what it means( w)zc:7 dhgns for an object to be iridescentc:sn7 h)wdz(g?

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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