Supersonic Speed and Sonic Booms

Who was the first person to break the sound barrier?

• Charles Lindbergh

• Chuck Yeager

• Amelia Earhart

• Howard Hughes

What was the name of the aircraft Chuck Yeager flew to break the sound barrier?

• F-22 Raptor

• Bell X-1

• Concorde

• SR-71 Blackbird

What is the speed of sound at sea level?

• 1127 km/h

• 1225 km/h

• 1500 km/h

• 1000 km/h

What phenomenon causes approaching objects to sound higher pitched?

• Doppler effect

• Sonic boom

• Mach cone

• N-wave

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What shape does the Mach cone form when it meets the ground?

• Circle

• Ellipse

• Hyperbola

• Triangle

What is the name of the pressure signature caused by a sonic boom?

• N-wave

• Shock wave

• Boom carpet

• Mach cone

What is the main reason supersonic flight over land is prohibited?

• High fuel consumption

• Noise pollution

• High cost

• Air traffic control issues

Which animal is mentioned as possibly using a sonic boom to deter predators?

• Tyrannosaurus Rex

• Diplodocus

• Velociraptor

• Pterodactyl

What is the effect of a shrimp's shock wave created underwater?

• It creates a sonic boom

• It helps in communication

• It stuns or kills prey

• It deters predators

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What is the main challenge scientists face when studying sonic booms?

• Improving pilot safety

• Building faster aircraft

• Predicting their path in the atmosphere

• Reducing fuel consumption

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