Question

On which newton'law , pirnciple of rocket is based

Answer 1

principle of depends on the Netwon's third law of motion( for every action there is a equal and opposite reaction

Answer 2

the principal of rocket is based on Newton's third law that is
"every action has a equal and opposite reaction"
when the rocket shoots fuel out in one end in backward direction then the rocket moves forward...
so,this is based on Newton's third law