Wave-Optics - 无忧得胜-网上国际课程 (5edu.win)

1#

00.16: Consider an illuminated obje6qn ,br)df* ir.yk,dyct, a pinhole, and a screen arranged to form a pinhole image on th6,nirky .yddr )b,f*qe 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 plants is largely responsible for promotingfsd jjcre p12v/ z1)qd0hat 7; photosynthesis and is also responsible for the green color we observ)/jdve2 ;sr fqp1 tzcad 1j70he 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 pr x:/z zj0n 5ev7w pd1k2th4zmda.hu: asses through a prism, the exiting light is seen as a spectrum of visible colors. This phenpadw n h:hk27 1jdrzzteu . v5xz0/m4:omenon 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 len a5fzny*n1 5dcod/a h3ses, to form images. One advantage of /1dh*f a 5n3d n5cyazomirrors over lenses is that 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 from a lens is s* 2yr4 oz2b/ela6juea 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 fov2z0 iluv;7rrvlm112 uxje u8llowing choices best describes what it means for an object t1i lu1mlu uvj8vv2x e7z2;rr0 o 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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