A man standing between two parallel hills fires a gun and hears two echoes, one 2.5 s and the other 3.5 s after the firing. If the velocity of sound is \[330\,\,m{{s}^{-1}}\], how long will it take him to hear the third echo? [NDA]

Question Bank UPSC IAS Exam 1 year ago

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Option 1 : 4 s

Option 2 : 5 s

Option 3 : 6 s

Option 4 : 8 s


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SidcicQP SidcicQP Tuteehub forum best answer Best Answer 1 year ago
8 s


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