The ratio of times taken by freely fallingbody to cover first metre, s

1.	The ratio of times taken by freely fallingbody to cover first metre, second metre,.. Is
Answer» `SQRT(1):sqrt(2):sqrt(3)` `sqrt(1):sqrt(2)-sqrt(1):sqrt(3)-sqrt(2)` `sqrt(2):sqrt(4):sqrt(8)` `2:3:4` ANSWER :B

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