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What is the minimum distance required to hear an echo?
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Similar Questions
Q1
What is the minimum distance required to hear an echo?
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Q2
(a) What is an echo? How is echo formed?
(b) What is the minimum distance in the air required from a sound reflecting surface to hear an echo (at 20° C)?
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Q3
(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°C) ?
(c) A man standing 825 metres away from a cliff (steep rock) fires a gun. After how long will he hear its echo ? Speed of sound in air is 330 m/s.
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Q4
What is the minimum distance in air required from sound reflecting surface to hear an echo at 20degree Celsius
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Q5
What minimum distance is required between the source of sound and the reflecting surface to hear an echo? Give reason.