Calculating Electron Density: Ionospheric Research

AI Thread Summary
The discussion revolves around calculating electron density (N) using the formula F = 9√N, where F represents critical frequency in hertz. The user expresses confusion regarding unit compatibility, suspecting that the factor of 9 may carry specific units that affect the calculation. They highlight that electron density should be measured in e-/cm3, indicating a potential misunderstanding of the formula's application in ionospheric research. The user seeks clarification on whether the formula is correctly applied and how the units align. Overall, the conversation focuses on resolving the unit discrepancy in the context of ionospheric calculations.
Tone L
Messages
72
Reaction score
7

Homework Statement


I am conducting some research and have come across a problem, it could very well be misunderstanding.
I am trying to calculate electron density N.

Homework Equations


There was given a simple formula F = 9√N ...
where F = critical frequency and N = electron density...
But frequency is in hertz..

The Attempt at a Solution


The units don't work out am I missing something (Ionopsheric calculation is what I am doing)
units should be e-/cm3
 
Physics news on Phys.org
Thread 'Collision of a bullet on a rod-string system: query'
In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
Thread 'A cylinder connected to a hanged mass'
Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
Back
Top