A man, standing 300 m away from a hill, fires a gun. If he hears two sounds at the interval of 2 sec, what is the speed of sound (in m/s)?

150

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600

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300

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200

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Solution

The correct option is C 300

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Similar questions

A man is standing in a valley between two parallel mountains. He fires a gun and hears echo at an interval of 2s and 3.5s. what is the distance between 2 mountains? (Take speed of sound = 350 m/s)

Q. A man stands in between two cliffs and fires a gun. He hears two successive echoes after 3 sec and 5 sec. What is the distance between two cliffs? (speed of sound =

{330 m s}^{- 1}

(a) What is an echo? How is echo formed?

(b) What is the minimum distance in air required from a sound reflecting surface to hear an echo (at $20^{o}$ C)?

(c) A man standing 825 metres away from a cliff (steep rock) fires a gun. After how long will he hear its echo? The speed of sound in air is $330 m / s$ .

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