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2170教科版八年级物理《4.5科学探究:凸透镜成像》习题(2份)106.00KB106.00Bdocczwlzxczwlzxczwlzx/UploadFiles/UserPic/UserAvatars/15219_150_150.jpg
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czwlzx1凸透镜成像2017年08月24日/UploadFiles/nopic.gif
1
、用凸透镜正对着太阳,发现在凸透镜的另一侧
10cm
处的光屏上得到一个亮点,寻那
1
、用凸透镜正对着太阳,发现在凸透镜的另一侧
10cm
处的光屏上得到一个亮点,寻那么将点燃的蜡烛放在位于凸透镜前
15cm
处时,光屏上得到的像是( )
A
、正立放大的像
B
、正立缩小的像
C
、倒立缩小的像
D
、倒立放大的像
2
、某物体放在离凸透镜
20cm
处,无论怎样移动光屏,光屏上始终得不到像,则该凸透镜的焦距可能是(
)
A
、
30
【内容简介】
1
、用凸透镜正对着太阳,发现在凸透镜的另一侧
10cm
处的光屏上得到一个亮点,寻那么将点燃的蜡烛放在位于凸透镜前
15cm
处时,光屏上得到的像是( )
A
、正立放大的像
B
、正立缩小的像
C
、倒立缩小的像
D
、倒立放大的像
2
、某物体放在离凸透镜
20cm
处,无论怎样移动光屏,光屏上始终得不到像,则该凸透镜的焦距可能是(
)
A
、
30 cm B
、
15 cm C
、
10 cm D
、
5 cm
3
、小明同学在一次实验中,不小心用书本挡住了部分凸透镜,你认为此时在光屏上所成的像是一半呢还是完整的?你准备如何验证你的想法呢?
4
、一个物体在凸透镜前
20 cm
处,在屏上成一倒立缩小的像,则透镜的焦距
f
(
)
A
、
10 cm10 cm C
、
f<10 cm D
、
f>20 cm
5
、许多家庭的门上都装有防盗门镜(俗称“猫眼”)。从室内透过防盗门镜向外看,可以看到来客的正立、缩小的像。由此可以断定,此时防盗门镜的作用相当于一个(
)
A
、凸透镜
B
、凹透镜
C
、凸透镜和凹透镜
D
、玻璃砖
6
、如图所示,凸透镜的焦距为
8 cm
,当物体
AB
放在该凸透镜主轴上距离凸透镜
12 cm
的位置处时,调整光屏的位置使光屏上出现该物体清晰的像,则在光屏上得到一个(
)
A
、倒立放大的实像
B
、倒立缩小的实像
C
、正立放大的实像
D
、正立放大的虚像
...........
1
、用凸透镜正对着太阳,发现在凸透镜的另一侧
10cm
处的光屏上得到一个亮点,寻那么将点燃的蜡烛放在位于凸透镜前
15cm
处时下载地址1|sj/2017/8/201708240727371001.doc$$$下载地址2|sj/2017/8/201708240727393031.doc<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">1</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、用凸透镜正对着太阳,发现在凸透镜的另一侧</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">10cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">处的光屏上得到一个亮点,寻那么将点燃的蜡烛放在位于凸透镜前</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">15cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">处时,光屏上得到的像是( )</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">A</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、正立放大的像 </span>
<span lang="EN-US" style="mso-bidi-font-weight: bold"> B</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、正立缩小的像</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>C</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、倒立缩小的像 </span>
<span lang="EN-US" style="mso-bidi-font-weight: bold"> D</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、倒立放大的像</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">2</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、某物体放在离凸透镜</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">20cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">处,无论怎样移动光屏,光屏上始终得不到像,则该凸透镜的焦距可能是(</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>
</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">A</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">30<span style="mso-spacerun: yes"> </span>cm<span style="mso-spacerun: yes"> </span>B</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">15 cm<span style="mso-spacerun: yes"> </span>C</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">10 cm<span style="mso-spacerun: yes"> </span>D</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">5 cm </span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">3</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、小明同学在一次实验中,不小心用书本挡住了部分凸透镜,你认为此时在光屏上所成的像是一半呢还是完整的?你准备如何验证你的想法呢?</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">4</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、一个物体在凸透镜前</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">20 cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">处,在屏上成一倒立缩小的像,则透镜的焦距</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">f</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>
</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">A</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">10 cm<f<20 cm<span style="mso-spacerun: yes"> </span>B</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">f>10 cm<span style="mso-spacerun: yes"> </span>C</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">f<10 cm<span style="mso-spacerun: yes"> </span>D</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">f>20 cm </span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">5</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、许多家庭的门上都装有防盗门镜(俗称“猫眼”)。从室内透过防盗门镜向外看,可以看到来客的正立、缩小的像。由此可以断定,此时防盗门镜的作用相当于一个(</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>
</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">A</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、凸透镜</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>B</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、凹透镜</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>C</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、凸透镜和凹透镜</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>D</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、玻璃砖</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">6</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、如图所示,凸透镜的焦距为</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">8 cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,当物体</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">AB</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">放在该凸透镜主轴上距离凸透镜</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">12 cm</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的位置处时,调整光屏的位置使光屏上出现该物体清晰的像,则在光屏上得到一个(</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>
</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">)</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US">
<span style="mso-bidi-font-weight: bold">
</span></span>
</p>
<p class="MsoNormal" style="text-indent: 21pt; margin: 0cm 0cm 0pt">
<span lang="EN-US" style="mso-bidi-font-weight: bold">A</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、倒立放大的实像</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
<span style="mso-spacerun: yes"> </span>B</span>
<span style="font-family: 宋体; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、倒立缩小的实像</span>
<span lang="EN-US" style="mso-bidi-font-weight: bold">
</span>
</p>
<p>
<span lang="EN-US" style="line-height: 150%; font-family: 'Times New Roman','serif'; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">C</span>
<span style="line-height: 150%; font-family: 宋体; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 11.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">、正立放大的实像</span>
<span lang="EN-US" style="line-height: 150%; font-family: 'Times New Roman','serif'; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">
<span style="mso-spacerun: yes"> </span>D</span>
<span style="line-height: 150%; font-family: 宋体; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 11.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">、正立放大的虚像</span>
<span lang="EN-US" style="line-height: 150%; font-family: 'Times New Roman','serif'; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">
<span style="mso-spacerun: yes"> </span>
</span>
</p>
<p>
<span lang="EN-US" style="line-height: 150%; font-family: 'Times New Roman','serif'; font-size: 10.5pt; mso-bidi-font-weight: bold; mso-bidi-font-size: 11.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">
<span style="mso-spacerun: yes">...........</span>
</span>
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<div class="video" id="CuPlayer"><b><img src="/cuplayer3/images/loading.gif" /> 网页视频播放器加载中,请稍后...<a href="http://www.cuplayer.com/cuplayer" target="_blank">点此升级>></a></b></div>
<script type="text/javascript">
var so = new SWFObject("/cuplayer3/CuPlayerMiniV3_Black_S.swf","myCuPlayer","862","485","9","#000000");
so.addParam("allowfullscreen","true");
so.addParam("allowscriptaccess","always");
so.addParam("wmode","opaque");
so.addParam("quality","high");
so.addParam("salign","lt");
so.addVariable("CuPlayerFile","/UploadFiles/sj/2017/8/201708240727371001.doc$$$下载地址2|sj/2017/8/201708240727393031.doc"); //视频文件地址
so.addVariable("CuPlayerImage","");//视频缩略图
so.addVariable("CuPlayerShowImage","true");
so.addVariable("CuPlayerWidth","862");
so.addVariable("CuPlayerHeight","485");
so.addVariable("CuPlayerAutoPlay","false");
so.addVariable("CuPlayerAutoRepeat","true");
so.addVariable("CuPlayerShowControl","true");
so.addVariable("CuPlayerAutoHideControl","false");
so.addVariable("CuPlayerAutoHideTime","6");
so.addVariable("CuPlayerVolume","80");
so.addVariable("CuPlayerGetNext","false");
so.write("CuPlayer");
</script>
<script language=javascript src="/cuplayer4/js/action.js" type=text/javascript></script>
]
{PE.Field id="cone" fieldname="Title" /}-试卷中心-初中物理在线
{PE.Field id="cone" fieldname="gourl" /}
{PE.Label id="顶部-试卷" currentId="{PE.Field id="cone" fieldname="NodeID" /}"/}
当前位置:首页 > {PE.Label id="当前位置导航" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" /} > 内容详情
{PE.Field id="cone" fieldname="Title" /}
{PE.Field id="cone" fieldname="SoftIntro" /}
只能预览部分内容,查看全部内容需要下载哦~
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资料审核:{PE.Field id="cone" fieldname="user" /}
{PE.Field id="cone" fieldname="special" /}
资料格式:{PE.Field id="cone" fieldname="ico" /}
资料版本:{PE.Field id="cone" fieldname="banben" /}
适用地区:{PE.Field id="cone" fieldname="area" /}
文件大小:{PE.Field id="cone" fieldname="SoftSize" /}{PE.Field id="cone" fieldname="SoftSizeUnit" /}
资料作者:{PE.Field id="cone" fieldname="author" /}
审核人员:{PE.Field id="cone" fieldname="editor" /}
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{PE.Field id="cone" fieldname="Title" /}
{PE.Label id="A评论标签" nodeId="{PE.Field id="cone" fieldname="NodeID" /}" /}
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