![subject](/tpl/images/cats/fizika.png)
Physics, 08.06.2021 09:10 mathman783
PLEASE HELP ME WITH THIS ONE QUESTION
A photon has 2.90 eV of energy. What is the photon’s wavelength? (h = 6.626 x 10^-19, 1 eV = 1.6 x 10^-19 J)
A) 677 nm
B) 218 nm
C) 345 nm
D) 428 nm
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:20
According to newton’s first law of motion, which force is expected to cause a body to accelerate?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:00
Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:30
To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin.answer in one word.part bfind e(r), the magnitude of the electric field at distance r from the point charge q.express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q.express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r
Answers: 2
You know the right answer?
PLEASE HELP ME WITH THIS ONE QUESTION
A photon has 2.90 eV of energy. What is the photon’s waveleng...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 14.05.2021 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/biologiya.png)
Biology, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/geografiya.png)
Geography, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.05.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Medicine, 14.05.2021 19:00