Question

. The ratio ot radii of earth to another planet is 2/3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a maximum height of 1.5 m on the earth, with the same effort, the maximumm height he can jump on the planet is (a) 1m (b) 0.8 m (c) 0.5 m (d) 1.25 m

Answer 1