Question

We can hear the sound of the horn of an approaching car before the car reaches, because

• A. speed of sound is greater than car's speed
• B. low pitch sound of horn
• C. high pitch sound of horn
• D. It did not face any obstacle

Answer 1

The correct option is A

speed of sound is greater than car's speed

We can hear the sound of the horn of an approaching car before the car reaches because speed of sound is greater than car’s speed.