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1#

00.16: Consider an illuminated oyrb9.kem5: l9:q t.s ds k;rmbbject, a pinhole, and a screen arranged to form a pinhole image on the screen. Whicmtmsk9rkb:d.ybe.qls 9r:5 ;h 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 l/t0d 6q3 76n4 d b ojhq:v/6*aul(hqp vcuxwzkargely responsible for promoting photosynthesis and is also responsible for the green color we observe in most plants. Which of the following colors of tdd(wn* 7lohxvvua6hp6k6q/4qq3 / u0: jcz b light would 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 light passes thro,dhoy*f4 -qn(ae0 -*ngp0oc))qdy4 rmnumzdugh a prism, the exiting light is seen as a spectrum of via4cy- ) hn*u monq,podqd ged(n mrz0 4)yf*-0sible colors. This phenomenon 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, 7a4 ztuiqk -(xrather than lenses, to form images. One advantage of mirrors over lenses is that the im-i(tq7xuk 4azages 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 from a lens is a consequence ,/woj8cr51 ::7c,fbwumpjy mjmcer 6of

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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 descrie/(7k 7q c8 lxdjgdvi3bes what it means for an object to b 73 78c dkg/qilve(dxje iridescent?

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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