![subject](/tpl/images/cats/fizika.png)
Physics, 25.06.2021 14:00 tyannamonae
Why laser action can not be accomplished without population inversion between atomic level?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:10
The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:00
What will happen in a hybrid vehicle if current flow becomes too high due to a short?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 07:10
50.)the diagram below represents the wave fronts produced by a point source moving to the right in a uniformmedium. observers are located at points a and b.compared to the wave frequency and wavelength observed at point a, the wave observed at point b has a(1) higher frequency and a shorter wavelength(2) higher frequency and a longer wavelength(3) lower frequency and a shorter wavelength(4) lower frequency and a longer wavelength
Answers: 3
You know the right answer?
Why laser action can not be accomplished without population inversion between atomic level?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2020 09:25
![question](/tpl/images/cats/biologiya.png)
Biology, 24.04.2020 09:25
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.04.2020 09:25
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2020 09:25
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 24.04.2020 09:25
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.04.2020 09:25
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2020 09:25
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2020 09:25
![question](/tpl/images/cats/mat.png)