
初一科学2018复习(物质,声,光)
Physics
4th Grade
Used 31+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个图像正确显示晶体熔化的过程?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若入射角大于临界角,形成的光线是( )
QX
QY
QZ
QW
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光线经玻璃砖射入,在其对边射出。下列哪个图是正确的?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一道光线SO从水里斜射如空气中。它的折射光线可能是( )
OM
ON
OP
OQ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光线由空气斜射入水中,( )
只发生反射现象
只发生折射现象
可能发生全反射现象
同时发生反射与折射现象
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X点称为( )
物点
像点
焦点
虚焦点
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的透镜中,会产生聚光线的是( )
I , II
I , III
II , IV
III , IV
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