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{
"metadata": {
"name": "MP-15"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "The General Theory of Relativity"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 15.1 Page 491"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#initiation of variable\nw=121.5; #lambeda\nG=6.67*10**-11; #Various given values and constants\nM= 1.99*10**30; \nR= 6.96*10**8;\nc=3*10**8;\n\n#calculation\nk= G*M/(R*c**2); #(delLambeda)/(lambeda)\ndelw=k*w; #del(lambeda)\n\n#result\nprint \"The change in wavelength due to gravitational shift in pm is\",round(delw*10**3,3);\n\n#part3\nk=5.5*10**-5;#due to thermal Doppler broadening effect\ndelw=k*w;\n\n#result\nprint \"The change in wavelength due to thermal Doppler broadening effect in pm is\",round(delw*10**3,3);",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": " The change in wavelength due to gravitational shift in pm is 0.257\nThe change in wavelength due to thermal Doppler broadening effect in pm is 6.683\n"
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 15.2 Page 501"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#initiation of variable\nmp=938.280; #mass of various particles\nme=0.511;\nm2h=1875.628;\n\n#calculation\nmic2=2*mp; #mass energy on L.H.S\nmfc2=m2h+me; #mass energy on R.H.S\nQ=mic2-mfc2; #Q value of reation\npc=Q;\nmc2=1875.628;\nK=(pc**2)/(2*mc2); #kinetic threshold energy\nEmax=Q-K; #maximum energy \n\n#result\nprint \"The maximum neutrino energy in MeV is\",round(Emax,3);",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "The maximum neutrino energy in MeV is 0.421\n"
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
