Lenses and Mirrors - 无忧得胜-网上国际课程 (5edu.win)

1#

96.25: Which of the following is NOT possible for the images fofvw 1pq0h+r/z-wsdnjn c z13 6rmed by the lens in the accompwv1ndzf6 /zs1nw3 qpcrh+j0- anying figure?

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

97.07: A narrow beam of monochromatic lix;hu mqcs0l, 6gp j+.dght enters a lens parallel to the optic axis, as shown in the accompany;qucd6ljg+0h, s px.m ing diagram. Which arrow best represents the direction of the light after leaving the lens?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.29: A ray of light is incident onto a thin glass lens as sv9znc98 ;*m4alqtp fzjzvp+m: +i se6hown. Which one of the following arrows best indicates t9zaps8j* 9zt6zmif nclv p+mq 4;v e:+he path of the refracted ray?

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.06: After striking the lens shown in ty 0w l2oz7j1l9 :0yrg0nhnxgjhe diagram at right, the light ray will m yrz0 :xjn9200 lg7hg1lynjwoost likely follow which path?

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

95.10: A plane mirror produces an imag r,sj s9ev+h)ke that is:

A. real, inverted, and larger than the object

B. real, upright, and the same size as the object.

C. real, upright, and smaller than the object.

D. virtual, inverted, and smaller than the object.

E. virtual, upright, and the same size as the object

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.18: An object is located 0.20 meters from a convergq3u,svf 5j0/y/sx/d4 n wswbe ing lens which has a focal length of 0.15 meters. Relative to the object, the imag5/q0 ssnbjye d/wx fw4u3 s/,ve formed by the lens will be:

A. real, erect, and smaller.

B. real, inverted, and smaller.

C. real, inverted, and larger.

D. virtual, erect, and larger.

E. virtual, inverted, and smaller.

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

98.19: In order to produce an enlarged, upright image of an o/, lbt 6xvio5xbject, you could useb tli65vx/ ,xo a

A. converging lens more than one focal length from the object.

B. converging lens less than one focal length from the object.

C. diverging lens more than one focal length from the object.

D. diverging lens exactly one focal length from the object.

E. diverging lens less than one focal length from the object.

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

99.34: A small light bulb is placed 20 cm to the right of a converging lens of d9 (c+6ratny vqf(bh7focal length 10 cm. Which of the7y9vr6q dha(nt f+cb ( following statements is NOT true about the image of the bulb formed by the lens?

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

05.29: An object is in front3)o9p6p r /5xyiq5fori a y/rb of a convex lens, at a distance less than the focal length from the lens. Its /r 5yb9ro p x3oii5qfa y/)rp6image is

A. virtual and larger than the object

B. real and smaller than the object.

C. virtual and smaller than the object

D. real and larger than the object.

E. virtual and the same size as the object.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

95.21: A diverging lens produces an image of aka i26qb uo8.2x2 dhax real object that is:

A. real, inverted, and larger than the object.

B. real, upright, and the same size as the object.

C. virtual, inverted, and smaller than the object.

D. virtual, upright, and larger than the object.

E. virtual, upright, and smaller than the object.

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.28: A diverging lens produces an image of a real objedh/3g +nu vji+):fw1(pc xurz6xf pp;ct. This image is

A. virtual, larger than the object, and upright.

B. virtual, smaller than the object, and upright.

C. virtual, smaller than the object, and inverted.

D. real, smaller than the object, and inverted.

E. real, larger than the object, and inverted.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

09.43: A real object is located in front of a convex lens at a distance greater ,i mlm)1vixe:x56bc q than the focal length of the lens. What type of image is formed and what is true of the image’s sme,mv : iix1b)xcl56qize compared to that of the object?

A. Type of Image is Real Size of Image is Larger than object

B. Type of Image is Real Size of Image is More information is needed

C. Type of Image is Virtual Size of Image is Smaller than object

D. Type of Image is Virtual Size of Image is Larger than object

E. Type of Image is More information is needed Size of Image is More information is needed

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.28: Which of the following could produce an enlarged but inverted im8p iwcl.q4xx coafb2 g:*:u,yage of a reallx.w :pg,bca2xy qu* :o8ifc4 object?

A. Place a converging lens at a distance greater than its focal length from the object.

B. Place a converging lens at a distance less than its focal length from the object.

C. Place a diverging lens at a distance less than the magnitude of its focal length from the object.

D. Place a diverging lens at a distance greater than the magnitude of its focal length from the object.

E. It is not possible to create the type of image desired.

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

99.38: An image is formed on a screen by a vtd/ zj;bm)mmkyj 9;7 convergent lens. If the top half of the lens is then covered what will happen to the image? j)z;ymk jv; t/md9bm7

A. the image is dimmer but otherwise unchanged

B. the image becomes half as big

C. only the top half of the image is produced

D. only the bottom half of the image is produced

E. the image becomes half as big and is inverted from it original position

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.45: An object is placed in front of a9s b3eo u0-bez thin converging lens resulting in a focused image forming on a screen. If the bottom half of the lens were coveeu- e90s3 zbbored with black paper, what happens to the image on the screen?

A. There is no change of any kind to the image.

B. Only the top half of the object is focused into an image on the screen.

C. Only the top half of the object is focused into an image on the screen and it now is half the size.

D. The image is fully formed, only it now is half as large.

E. The image is fully formed, only it is dimmer.

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.33: For the set-up shown of a candle and screen placed 30 cm apart, t4wfbfqp9ex7j 50u.j8tx;t i2no 0 hb xhere are two locatix89bbef j;7t 2pu4fnxtq5.0j 0ixhowons at which a thin converging lens can be placed to produce a focused real image. One real image of the candle appears on the screen when the lens is located 12 cm from the candle. From this location, how does this lens now have to be moved in order to make the second real image of the candle appear on the screen?

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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.23: A object is placed 10 cm in front of )cjo *h rp5ipec2ad19zv4b 2s the center of a concave curved mirror with a radius of curvature a 2io)hjsec p9v * pc15rzbd42of 10 cm. About how far from the mirror will the real image of the object be formed?

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.22: An object placed in front of a convspr-i(;j; lc 5 xxu)1hhwmur 0erging mirror creates a real image. The distance between the object and the mirror is t h);hsu-(0 5ji rr1pxl;cx wumhen doubled, resulting in an image 1/3 as large as before.Where was the object originally?

A. at the focal point of the mirror

B. halfway between the focal point and radius of curvature of the mirror

C. at the radius of curvature of the mirror

D. at three times the focal length of the mirror

E. at three times the radius of curvature of the mirror.

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19#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.30: A converging lens forms a v0 *ssf)/yvn qqto/9 xt:phs,girtual image of a real object that is two times the object's size. The converging lens is replaced with a diverging lens having the same size focal length. typ xtq)s,n /s*:90 vogf hs/qWhat is the magnification of the image formed by the diverging lens?

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20#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

17.45: Which one of the following magnifications cannot be produced k 99wjm+fkv2 yusing a singj9 9fwm+y2kv kle converging lens?

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21#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

13.37: A real object in air is placed in front of a : x:mmxuftg 6l3r;5l mglass lens. The calculated image mg xt3lm5ml:r x;6uf: size is larger than the size of the original object. Which one of the following conclusions about the type of lens used and the type of image formed is correct?

A. Type of Lens is Convex only Type of Image is Could be virtual or real

B. Type of Lens is Convex only Type of Image is Will be virtual only

C. Type of Lens is Either concave or convex Type of Image is Will be virtual only

D. Type of Lens is Convex only Type of Image is Will be real only

E. Type of Lens is Either concave or convex Type of Image is Virtual for the concave lens; Real for the convex lens

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22#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

12.35: A student wants to set up an experiment with a thin convex lens of fcatf1g a y qwce *ro5-o9 ia*t(nf(m4+ocal length f such that a thin real object produces a frfq+c*491*5aa t o(a im(oc yg ten-wfocused real image on a movable screen. At how many locations along the optical axis (principal axis) can the object be placed so that the distance between the object and the focused image on the screen is equal to 3f ?

A. There is no location.

B. There is exactly one location.

C. There are exactly two locations.

D. There are exactly four locations.

E. There are an infinite number of locations

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23#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

14.36: A concave mirror with focal length f is shown in the figurvzokp rs8 8h+d1*)dtg e. A real object now is placed to the left of the mirror. In theory, which one of the following choices best descd +v gt sr*1z8pk)o8dhribes everywhere that it is impossible for an image to form from the mirror?

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24#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.42: An object (which point ccymm*qcqv+ww 9* -hpi z0:w*s upward) is placed 21.0 cm from a converging lens of focal length 18.0 cm. Which one of the following wz 0q**c-vcmp:hwcm*iw+9yq choices is true about the image formed by the lens?

A. The image is larger than the object, virtual, and points upward.

B. The image is larger than the object, real, and points downward.

C. The image is smaller than the object, virtual, and points upward.

D. The image is smaller than the object, real, and points upward.

E. The image is smaller than the object, real, and points downward.

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25#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.38: For which of the following does one obtain an image of in05hm0b v (nelkcreased size from a real object? Take all focus and radius of curva n50h0vl b(kemture values as positive.

A. The object is placed at a position outside the radius of curvature for a converging lens.

B. The object is placed at a position outside the radius of curvature for a diverging lens.

C. The object is placed at a position inside the magnitude of the focus for a concave lens.

D. The object is placed at a position between the focus and radius of curvature for a concave mirror.

E. The object is placed at a position between the focus and the radius of curvature for a convex mirror.

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