Wave-Optics - 无忧得胜-网上国际课程 (5edu.win)

1#

00.16: Consider an illuminated object, a pinhole, and a screen amdm6 t9.f4 uvk:kc+ck- vul6qrranged to form a pinhole image on the screen. Which of the .9cv:4 fkvk6l m6k-utmdcqu+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 for promoting ,u4eic3t8-lmrn-pao photosynthesis and is alpec8ia3, r4-l- ntou mso responsible for the green color we observe in most plants. Which of the following colors of 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 pahczemo 1wi h(-6p2;srvs 4pe7sses through a prism, the exiting light is seen as a spectrum of visible colors. This phenomenon is known as;iv-2se prph(6o1scw 4 hez 7m

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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 thagi2 yh9znlc :/n lenses, to form images. One advantage of mirrors over lenses is that the images formed by mirrors are not affe9yi h:2zg/ cnlcted 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 fr*4+bvlt10 )flzn tl qdom 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 followi(r218gi+b;e5 h cmmunkmm*ji 4 .pzmk ng choices best describes what it means for an ob1i(hz um p gci*mmjm. mb2k; +r4k5e8nject to be 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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