question_answer

Time taken by an object falling from rest to cover the height of \[{{h}_{1}}\] and \[{{h}_{2}}\] is respectively \[{{t}_{1}}\] and \[{{t}_{2}}\] then the ratio of \[{{t}_{1}}\] to \[{{t}_{2}}\] is   [RPMT 1999; RPET 2002]

A)             \[{{h}_{1}}\ :\ {{h}_{2}}\]  

B)             \[\sqrt{{{h}_{1}}}\ :\ \sqrt{{{h}_{2}}}\]

C)             \[{{h}_{1}}\ :\ 2{{h}_{2}}\]

D)                      2h1 : h2