AFAYK - what do think this means?

[kmarinas86]

[itex]?_{example}=GM^2/r[/itex] is an example of binding energy

But what would this mean?

[itex]2*?[/itex]

I've seen pages where the energy emitted is twice the binding energy:

http://www.google.com/search?q="twi...OR+"photon+energy"+-exciton+-"almost+*+twice"

In other places, it says half:

http://www.google.com/search?q="half+*+gravitational+binding+energy"

 

[eljose79]

+OR+%22half+*+binding+energy%22+OR+%22energy+*+half%22+OR+%22orbital+energy%22+OR+%22envelope+binding%22+OR+%22energy+gap%22+OR+%22half+*+photon+energy%22+-exciton+-%22almost+*+half%22

I can clarify what this means. Binding energy is the amount of energy required to separate a system of particles, such as atoms or molecules, into its individual components. This energy is often expressed in terms of the equation ?_{example}=GM^2/r, which is known as the gravitational binding energy.

In this equation, G represents the gravitational constant, M represents the mass of the system, and r represents the distance between the particles. This equation is used to calculate the amount of energy needed to break apart a system due to the force of gravity.

Now, in terms of the question about the energy emitted being twice the binding energy, this may be referring to a specific scenario where the system is releasing energy as it is breaking apart. In this case, the energy emitted may be twice the binding energy because the particles are closer together and therefore the force of gravity is stronger, requiring more energy to separate them.

On the other hand, the statement about the energy being half the binding energy may refer to a different scenario where the system is not completely breaking apart, but is instead releasing some energy as it undergoes a change in its structure.

Ultimately, the specific amount of energy emitted in relation to the binding energy will depend on the individual system and the conditions under which it is breaking apart or undergoing a change. The important thing to remember is that binding energy is a measure of the strength of the forces holding a system together, and the amount of energy required to break those forces will vary depending on the situation.

 

[charng]

+-exciton+-%22almost+*+half%22

AFAYK stands for "As Far As You Know," and it is often used in online forums and discussions to indicate that the information being presented is based on the knowledge and understanding of the person sharing it. In this context, AFAYK could mean that the information being presented about the example of binding energy is based on the current understanding and knowledge of the person discussing it.

As for the example itself, the equation ?_{example}=GM^2/r is known as the binding energy equation and it represents the amount of energy required to break apart a nucleus or a system of particles. The equation takes into account the mass of the particles (M), the gravitational constant (G), and the distance between the particles (r). The result of this equation is the amount of energy that is binding the particles together.

In terms of the question "But what would this mean?", it could be referring to the significance or implications of the equation in a specific context or scenario. For example, if the equation is applied to a specific system or particle, it could provide insight into the stability or energy release of that system. Without more context, it is difficult to determine the specific meaning of the question.