If g is the acceleration due to gravity at the earth's surface and r i – McqOptions

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1.	If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body to escape out of earth's gravitational field is [NCERT 1975; RPET 2003]
A.	gr
B.	\[\sqrt{2gr}\]
C.	\[g/r\]
D.	\[r/g\]
Answer» C. \[g/r\]

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