A ball takes t second to fall from a height h1 and 2t seconds to fall from a height h2. Then h1h2 is:
A
1.5
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B
1
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C
0.50
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D
0.25
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Solution
The correct option is D0.25 As we know that the time taken by an object to fall freely by height h is T=√2hg
So from the given condition we have t=√2h1g and 2t=√2h2g ⇒t2t=√h1h2 ⇒h1h2=(12)2=0.25