Below are four equations expressing relationships between physical qualities. .g. gravitational field strengths, r radius, rho a density, G the universal constant of gravitation, m a mass and T a time period. Which of the are true. equations are true. (a)gT^2=4pir^2 , (b)4/3pirhoGr^2=g , (c)gr^2=Gm , (d)g=4/3 pirhoGr

Below are four equations expressing relationships between physical qua

1.	Below are four equations expressing relationships between physical qualities. .g. gravitational field strengths, r radius, rho a density, G the universal constant of gravitation, m a mass and T a time period. Which of the are true. equations are true. (a)gT^2=4pir^2 , (b)4/3pirhoGr^2=g , (c)gr^2=Gm , (d)g=4/3 pirhoGr
Answer» only a&B are true only b & C are true only c&d are true only a,b & c are true Answer :C