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A Boy Fires a Gun and Hears the Echo 2 Seconds Later. If He is 480 M Away from a Wall, Calculate the Velocity of Sound in Air. - Physics

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प्रश्न

A boy fires a gun and hears the echo 2 seconds later. If he is 480 m away from a wall, calculate the velocity of sound in air.
संख्यात्मक

उत्तर

Velocity of sound = `"distance travelled"/"time taken" = (2"d")/"t"`

∴ Velocity of sound = `(2 xx 480)/2` = 480 m/s

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अध्याय 3: Sound - Exercise 1 [पृष्ठ १४८]

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फ्रैंक Physics - Part 2 [English] Class 10 ICSE
अध्याय 3 Sound
Exercise 1 | Q 4 | पृष्ठ १४८
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