A) \[80m\]
B) \[40\text{ }m\]
C) \[60\,m\]
D) \[20\,m\]
Correct Answer: A
Solution :
Height obtained in first \[{{h}_{1}}={{e}^{2}}h\], \[e=\sqrt{\frac{80}{100}}\] \[{{h}_{1}}=\frac{80}{100}\times 100=80m\]You need to login to perform this action.
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