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A:A
B:B
C:C
D:D
对理想气体的等温过程和循环过程都有Delta;U=0。下述说法正确的是：
A:在这两个过程中气体的内能都始终保持不变。
B:只有在等温过程中气体的内能始终保持不变。
C:只有在循环过程中气体的内能始终保持不变。
D:上述两过程中都不能保持气体的内能始终不变
温度为100deg;C时，理想气体分子的平均平动动能为epsilon;；欲使分子的平均平动动能等于1eV（1eV=1.6times;10-19style=FONT-FAMILY:宋体style=FONT-FAMILY:宋体J）,气体的温度应达到T。则有：
A:epsilon;=style=FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-family:'TimesNewRoman';mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SAstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体7.72times;10-11J；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体T=7.73times;103K
B:epsilon;=style=FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-family:'TimesNewRoman';mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SAstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体7.72times;10-21J；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体T=7.73times;105K
C:epsilon;=style=FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-family:'TimesNewRoman';mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SAstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体7.72times;10-11J；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体T=7.73times;105K
D:epsilon;=style=FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-family:'TimesNewRoman';mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SAstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体7.72times;10-21J；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体T=7.73times;103K
4mol的多原子分子理想气体，当温度为T时，其内能为：
A:12kT
B:10kT
C:10RT
D:12RT
题面为图片
A:Ⅰ区域
B:Ⅱ区域
C:Ⅲ区域
D:Ⅳ区域
A:①H2O将汽化成水蒸汽；②H2O将style=mso-bidi-font-size:10.5ptstyle=mso-bidi-font-size:10.5pt变成水；③H2O将变成水蒸汽；④H2O将凝固成style=mso-bidi-font-size:10.5ptstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体冰。
B:①H2O将汽化成水蒸汽；②H2O将style=mso-bidi-font-size:10.5ptstyle=mso-bidi-font-size:10.5pt变成水蒸汽；③H2O将变成水；④H2O将凝固成style=mso-bidi-font-size:10.5ptstyle=mso-bidi-font-size:10.5pt冰。
C:①H2O将凝固成冰；②H2O将变成水蒸汽；③H2O将变成水蒸汽；④H2Ostyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体将液化成水。
D:①H2O将液化成水；②H2O将变成水蒸汽；③H2O将变成水蒸汽；④H2Ostyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体将凝固成冰
要使用等温压缩的方式使气体全部液化所需要的条件是：
A:T＞Tc
B:T＜Tc
C:T=Tc
D:Tne;Tc
A:A
B:B
C:C
D:D
题面为图片
A:A
B:B
C:C
D:D
A:v1是方均根速率；style=mso-bidi-font-style:normalv2是平均速率；style=mso-bidi-font-style:normalv3是最概然速率
B:v1是最概然速率；style=mso-bidi-font-style:normalv2是平均速率；style=mso-bidi-font-style:normalv3是方均根速率
C:v1是平均速率；style=mso-bidi-font-style:normalv2是最概然速率；style=mso-bidi-font-style:normalv3是方均根速率
D:v1是方均根速率；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体vstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体2style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体是最概然速率；style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体vstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体3style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-fareast-font-family:宋体是平均速率
对位移电流，下述说法中正确的是
A:位移电流的实质是变化的电场。
B:位移电流和传导电流一样是定向运动的电荷
C:位移电流服从传导电流所遵从的所有定律
D:位移电流的磁效应不服从安培环路定律
题面为图片
A:温度增加，内能增加
B:温度减小，内能减少
C:温度不变，内能也不变
D:温度不变，内能减少
A:A
B:B
C:C
D:D
A:A
B:B
C:C
D:D
A:lambda;和Q的数量之间所满足的关系式为lambda;=-Q/a且lambda;与Q为异号电荷
B:lambda;和Q的数量之间所满足的关系式为lambda;=-Q/a且lambda;与Q为同号电荷
C:lambda;和Q的数量之间所满足的关系式为lambda;=Q/a且lambda;与Q为同号电荷
D:lambda;和Q的数量之间所满足的关系式为lambda;=Q/a且lambda;与Q为异号电荷
题面为图片
A:A
B:B
C:C
D:D
A:A
B:B
C:C
D:D
A:A
B:B
C:C
D:D
对一定量的理想气体，其温度确定以后，关于它的内能，下面说法正确的是
A:压强越大，体积越大，内能就越大
B:压强越大，体积越小，内能就越大
C:压强越小，体积越大，内能就越大
D:气体的内能与压强和体积无关
一容器内储有某种理想气体，若已知气体的压强为3times;105Pa，温度为27deg;C，密度为0.24kgmiddot;mndash;3，此种气体的摩尔质量为mu;。并判定此种气体的种类。style=mso-bidi-font-size:10.5pt
A:mu;=2times;10-3kgmiddot;molndash;1，气体为氢气
B:mu;=32times;10-3kgmiddot;molndash;1，气体为氧气。
C:mu;=1times;10-3kgmiddot;molndash;1，气体为氢气
D:mu;=16times;10-3kgmiddot;molndash;1，气体为氧气。
A:线圈（１）顺时针；线圈（2）逆时针
B:线圈（１）逆时针；线圈（2）顺时针
C:都是顺时针
D:都是逆时针
A:A
B:B
C:C
D:D
A:Uab=2000V
B:Uab=4000V
C:Uab=-2000V
D:Uab=-4000V
题面为图片
A:A
B:B
C:C
D:D
已知某导线中载流子所带的电量为q，其单位体积内的载流子数为n，导线的横截面积为S,载流子的漂移速度的大小为vstyle=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体。设此导线内的电流强度为style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体I；其中一段长度为style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体dl的线元内的载流子个数为style=FONT-SIZE:10.5pt;FONT-FAMILY:quot;TimesNewRomanquot;,quot;serifquot;;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体dN。则有：
A:I=enstyle=mso-bidi-font-style:normalvS；dN=nSdstyle=mso-bidi-font-style:normall
B:I=enstyle=mso-bidi-font-style:normalvS；dN=nvSdstyle=mso-bidi-font-style:normall
C:I=qnvS；dN=nvSdl
D:I=qnvS；dN=nSdl
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发表于 2020-10-31 06:33:26
