Question

A ball takes t seconds to fall from height h1 and 2t seconds to fall from hight h2 then h1√h2 is

Answer 1

v=h/t
v=h1/t
h1=vt.....(1)
v=h2/2t
h2=v2t.....(2)
on dividing eq. (1)by(2)
h1/h2=vt/v2t
h1/h2=1/2
or1:2