皮皮学，免费搜题
登录
搜题
【简答题】
如图 4-24 所示,探究光的反射定律时, (1 )实验 时让光线贴着纸板入射是为了___________________ ; (2)线 让入射光线 EO 靠近法线 ON, , 则反射角会___________(选填“变大”或“变小”); ; (3)实验时,发现每次用铅 笔把光的传播路径描下来非常不方便, 认真思考后,他认为在正确操作时, 只要在光传播的路径上标记两个合适 的点就能确定了,他用到的光学知识 是 是________________ ; (4 )另一同把一贴着纸板 E 射到 O 点(如图示),但纸板并未与平面镜 垂直,他____________ (选填“ 能” 或“ 不能”板 )在纸板 B 上看到反射光线; (5 )根据正确的实验数据,作出了关于“ 反射角- 入射角”图 的图象(如图 2 所示), 横轴和纵轴单位长度相同,符合科学规律的图象是______________ ; (6 )同学在本次实验中进行了多次测量,其目的与下面实验_________ (填字母 代号)的多次测量目的不同。 A .用刻度尺测物体长度 B .探究影响液体压强的因素 C .探究影响浮力大小的因素 D探究电流与电阻的关系
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】What is the difference between the older landfills and the modern ones?
A.
The older landfills covered the earth.
B.
The modern landfills have walls and windows so you can see the garbage breaking down.
C.
The older landfills polluted the earth and water around them.
D.
There is no difference: they are both bad for the environment.
查看完整题目与答案
【单选题】What is not the modern building in Beijing?
A.
Bird Nest
B.
Water Cube
C.
National Grand Theatre
D.
Oriental Pearl Building
查看完整题目与答案
【单选题】What is the modern function of human resources management?
A.
Managing employees
B.
Adding value to strategic utilization of employees
C.
Training and development
D.
Enhancing performance
查看完整题目与答案
【单选题】What is the modern name of Paine's first pamphlet published on the subject of American Revolution?
A.
Sense and Sensibility
B.
The American People
C.
Common Sense
D.
Trials and Tribulations
查看完整题目与答案
【单选题】下列不属于整理分析资料的内容的是()。
A.
检查核实
B.
分类汇编
C.
分析论证
D.
实地考察
查看完整题目与答案
【单选题】What is the problem the modern people are facing, according to the conversation?
A.
They no longer suffer from hunger.
B.
They are more efficient.
C.
They enjoy lower infant mortality.
D.
There is too much violence on TV.
查看完整题目与答案
【单选题】What is the main idea of the passage?
A.
The modern cities won't be places to live the good life so much as way stations.
B.
Aristotle's idea about urban life is no longer applicable in the 21st century.
C.
Locational factors will not be so important in the 21st century as in Aristotle's time.
D.
There will be no fixed buildings in the future and the culture of architecture will change.
查看完整题目与答案
【判断题】微信公众号的服务号适用于企业、组织和个人
A.
正确
B.
错误
查看完整题目与答案
【判断题】比尔·盖茨是电脑软件开发的先驱。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is the earliest ancetor of the modern automobile probably?
A.
The Fardier de Cugnot
B.
The Benz's Patent Motorwagon
C.
The Ford Model T
D.
The CA71
查看完整题目与答案
相关题目：
【单选题】What is the difference between the older landfills and the modern ones?
A.
The older landfills covered the earth.
B.
The modern landfills have walls and windows so you can see the garbage breaking down.
C.
The older landfills polluted the earth and water around them.
D.
There is no difference: they are both bad for the environment.
查看完整题目与答案
【单选题】What is not the modern building in Beijing?
A.
Bird Nest
B.
Water Cube
C.
National Grand Theatre
D.
Oriental Pearl Building
查看完整题目与答案
【单选题】What is the modern function of human resources management?
A.
Managing employees
B.
Adding value to strategic utilization of employees
C.
Training and development
D.
Enhancing performance
查看完整题目与答案
【单选题】What is the modern name of Paine's first pamphlet published on the subject of American Revolution?
A.
Sense and Sensibility
B.
The American People
C.
Common Sense
D.
Trials and Tribulations
查看完整题目与答案
【单选题】下列不属于整理分析资料的内容的是()。
A.
检查核实
B.
分类汇编
C.
分析论证
D.
实地考察
查看完整题目与答案
【单选题】What is the problem the modern people are facing, according to the conversation?
A.
They no longer suffer from hunger.
B.
They are more efficient.
C.
They enjoy lower infant mortality.
D.
There is too much violence on TV.
查看完整题目与答案
【单选题】What is the main idea of the passage?
A.
The modern cities won't be places to live the good life so much as way stations.
B.
Aristotle's idea about urban life is no longer applicable in the 21st century.
C.
Locational factors will not be so important in the 21st century as in Aristotle's time.
D.
There will be no fixed buildings in the future and the culture of architecture will change.
查看完整题目与答案
【判断题】微信公众号的服务号适用于企业、组织和个人
A.
正确
B.
错误
查看完整题目与答案
【判断题】比尔·盖茨是电脑软件开发的先驱。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is the earliest ancetor of the modern automobile probably?
A.
The Fardier de Cugnot
B.
The Benz's Patent Motorwagon
C.
The Ford Model T
D.
The CA71
查看完整题目与答案