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Standard IX
Physics
Ultrasonic Sound
Question

Would the pilot of an airplane breaking the sound barrier hear a sonic boom? Explain why or why not?

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Solution
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When a pilot flies the plane at a speed greater than the velocity of sound then shock waves are generated behind the plane , therefore for a pilot it is not possible to hear sonic boom (explosion of noise caused by shock waves) , as he is moving forward ahead of sonic boom .

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