一束具有两种波长λ1和λ2的平行光垂直照射到一衍射光栅上,测得波长λ1的第三级主极大衍射角和λ2的第四级主极大衍射角均为30°。已知λ1 = 5600 Å,试问光栅常数a+b及波长λ2
A: [img=113x24]180344826dd1982.png[/img],3800 Å
B: [img=113x24]1803448275b281e.png[/img],4200 Å
C: [img=113x24]180344827e91a89.png[/img],4200 Å
D: [img=113x24]1803448286a8398.png[/img],3800 Å
A: [img=113x24]180344826dd1982.png[/img],3800 Å
B: [img=113x24]1803448275b281e.png[/img],4200 Å
C: [img=113x24]180344827e91a89.png[/img],4200 Å
D: [img=113x24]1803448286a8398.png[/img],3800 Å
举一反三
- 一束具有两种波长λ1和λ2的平行光垂直照射到一衍射光栅上,测得波长λ1的第三级主极大衍射角和λ2的第四级主极大衍射角均为30°。已知λ1 = 5600 Å,试问光栅常数a+b及波长λ2 A: [img=113x24]1803a1160621f64.png[/img],3800 Å B: [img=113x24]1803a1160f9eafc.png[/img],4200 Å C: [img=113x24]1803a11617b2c7b.png[/img],4200 Å D: [img=113x24]1803a116202a439.png[/img],3800 Å
- 一束具有两种波长[img=17x22]180395f1bb935fc.png[/img]和[img=17x22]180395f1c42fe96.png[/img]的平行光垂直照射到一衍射光栅上,测得波长[img=17x22]180395f1bb935fc.png[/img]的第三级主极大衍射角和[img=17x22]180395f1c42fe96.png[/img]的第四级主极大衍射角均为30°。已知[img=17x22]180395f1bb935fc.png[/img] = 5600 Å,试问光栅常数a+b= 及波长[img=17x22]180395f1c42fe96.png[/img]= 。 A: [img=113x24]180395f1eda55a1.png[/img],3800 Å B: [img=113x24]180395f1eda55a1.png[/img],4200 Å C: [img=113x24]180395f1fe48891.png[/img],4200 Å D: [img=113x24]180395f1fe48891.png[/img],3800 Å
- 一束具有两种波长[img=17x22]1803a11548d0e77.png[/img]和[img=17x22]1803a115517c7e0.png[/img]的平行光垂直照射到一衍射光栅上,测得波长[img=17x22]1803a11548d0e77.png[/img]的第三级主极大衍射角和[img=17x22]1803a115517c7e0.png[/img]的第四级主极大衍射角均为30°。已知[img=17x22]1803a11548d0e77.png[/img] = 5600 Å,试问光栅常数a+b= 及波长[img=17x22]1803a115517c7e0.png[/img]= 。 A: [img=113x24]1803a1157cd743d.png[/img],3800 Å B: [img=113x24]1803a1157cd743d.png[/img],4200 Å C: [img=113x24]1803a1158ef7660.png[/img],4200 Å D: [img=113x24]1803a1158ef7660.png[/img],3800 Å
- 一束具有两种波长λ1和λ2的平行光垂直照射到一衍射光栅上,测得波长λ1的第三级主极大衍射角和λ2的第四级主极大衍射角均为30°。已知λ1 = 5600 Å,试问光栅常数a+b及波长λ2
- 分别用两种波长λ1和λ2的平行光垂直照射到一衍射光栅上,测得波长λ1的第三级主极大衍射角和λ2的第四级主极大衍射角均为30°.已知λ1=480 nm (1 nm= 10-9 m),则该光栅常数d=____mm。