Radiation Interactions: Analyzing Dominant Processes in Gamma Ray Interactions

[matt222]

Homework Statement

state which one is dominant in Photoelectric effect, compton scattering, pair production,

1- Gamm rays in AL with 1MeV
2- Gamma rays in H with 100keV
3- Gamma rays in Iron with 100KeV
4- Gama rays in C with 10MeV
5- Gamma rays in Lead with 10MeV

Homework Equations

The Attempt at a Solution

1-CS
2-PE+CS
3-PE+CS
4-CS+PP
5-CS+PP

is my answer right?

 

[matt222]

can anyone help me with it?

 

[Calrid]

can anyone help me with it?

I think you might need to explain why you chose those answers before anyone can help you.

Ie show your working.

A triangle with sides 6 and 5 has a hypotenuse that is $\sqrt {61}\;\;\simeq 7.8102$

That doesn't tell me anything about how I arrived at that answer though does it.