A man shouts loudly close to ahigh wall. He hears an echo. If the man is at40 m from the wall, how long after the shout will the echo be heard ? (speed of sound in air=330 m/s)

Question:

Example 8.4: A man shouts loudly close to a high wall. He hears an echo. If the man is at 40 m from the wall, how long after the shout will the echo be heard ? (speed of sound in air =330 m/s)

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Given & Formula :-

Solution :-

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Given & Formula :-

Solution :-

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