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

1#

96.25: Which of the following is NOT possib5v 8fu4kac:lzmo .m:lle for the images formed by the lens in the accompanying figure? val:5c koz:8m.lf 4 mu

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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 (4wia r c:h5z4mr4u+e3o iuzqmonochromatic light enters a lens parallel to the optic axis, as shown in the accompanying diagram. Which arrow best represents the direction of the43z+a44o umqrzuci 5i : h(ewr 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 th; wy-3kbygbdia4*k*x.no d1oin glass lens as shown. Which one of the following arrogy n- * d*.1;b3byi4oxakkwdows best indicates the 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 the diagram at right, the ligh7+e)gs7 i/gco.kr *wdqatr (nt ray will most liken.gs rc(w d7o *tke r+/qa7)gily 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- nxxj3v;:4 hk nbn;mp an image 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 met4ia e/3 nxiwwx6at4 m.ers from a converging lens which has a focal length of 0.15 meters. Rela46n/w mwie.ixx4 t3aative to the object, the image 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 enlknak394tc3 *amrlib6pcg7 w 3arged, upright image of an object, you could use a3 nc4km6i79a3glab*3rt c p kw

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 po612 m/ ahcijwv7p1k vkn*3ullaced 20 cm to the right of a converging lens of focal length 10 cm. Which of the following statements is NOT true about the image of the bulb formedow6cl3jnh k iump7v/k* 1av1 2 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 front of a 8)tx0 :mq7yvv3nq e-luyw )cr convex lens, at a distance less than the focal length from the lens. Its im c)q3yt:) 0r7 wv8 emlvxqyun-age 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 o(mj b.otn7j.pxk4 krmgu0i1;dz/p0m f a 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 object. This ig bjc:b 3k 8hjga55act8 a;2yjmage 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 d6my2-c1pznk hrjo) y -61n quthan the focal length of the lens6zp6y1nn u)dc2y1omk qr -j -h. What type of image is formed and what is true of the image’s size 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 buqg ,(qftp8 hur 9d,b .;b,ltwat inverted image of a real objet ,.g 8,w lpbu(hqbd;a,9q trfct?

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 convergent lens. If the top haljg:, j fje)u3m ki2y6nf of the lens is then covere3 k 6jjgfimjuy:e,n2)d what will happen to the image?

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 a thin converging lens resulting :0 ubmbw4y,u4rgov;q 7ig07ywl q -bpin a focused image forming on a screen. If the bottom half of the lens were covered with black paper, what happenp0u- wo7vm byb7 grw;y0u g:q4ilqb4,s 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 pl5g ,tm plb 2ma+io*o4caced 30 cm apart, there are two locations 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 locap *lo+c 25i oam,4bmgttion, 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 the cv*-lp-9gf eat enter of a concave curved mirror with a radius of curvature of 10 cm. About how far from the mirror will the real image of the object tf eg-vp a*-l9be 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 converging mirror crw )v q /;swdg0od78pbreates a real image. The distance between the objec)qvps;w8 bwd 7d0 o/rgt and the mirror is then 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 virtual 747o;jn: .:vb/x e+h+ v gldcp;eebqr pa o6qnimage of a real object that is two times the object's size. The convergi+odvr :ee .nb j:l;g/cq74ohqpev;p7+nxab 6ng lens is replaced with a diverging lens having the same size focal length. What 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 magnificatx6gk9n0wj5 h05ef li yions cannot be produced using a single converging xk60il0f9hyw5 j e5ng 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 ac-77 qox3iffv ir is placed in front of a glass lens. The calculated image size is larger than the size of the original object. Which one of the following conclusions about the type of lens used aov7q ci7fx3- fnd 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 andqh 9ly8a9e: hoxu8 up usrp/t 2:+ 5t:hyas(a experiment with a thin convex lens of focal length f such that a thin real object produces a focused real image on a movable screen. At dh/h2:e :9tlp ao ratayshu9yxs+uq8u 5: p(8how 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 lengtg p.4a8-; e-cplmn 2u jz-njyah f is shown in the figure. A real object now is placed to the left of the mirror. In theory, which one of the following choices best describes everywhere that it-2n;-4-n e.j zpagu c8p mlayj 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 points upward) is placed 21.0 cm from a convt v wpyamn2ut00y8ugfel ;8y2 pl,:6 berging lens of focal length 18.0 cm. Which onen 8 m:pu0 fgveyu2pyb tyal;wt06l2,8 of the following 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 euo2p9nnv7 :u4rk1vpof increased size from a real object? Take all focusn 1nup u79ovv4e:kpr2 and radius of curvature 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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