Sir couldn't understand the g inside a cavity part and think you have explained it in your lectures. Also why it varying??
8 years ago
by
Naman Gupta
Ans
1
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This is explained in electrostatic advance illustrations also... and inside cavity it is constant and it is not varying...
8 years ago
by
Physics Galaxy
Ans
2
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Sir how did you write g=4/3(ppGl) couldn't understand
8 years ago
by
Naman Gupta
Ans
3
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consider a point inside cavity (say P) which at position vector x from center of sphere and y from center of cavity, now write the results of gravitational fields due to full sphere and full cavity mass then take the difference of the two, you will get this result...
8 years ago
by
Physics Galaxy