a sound wave has frequency 5kh2 and wave length 20 cm . how long will it take to travel 2 km
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Frequency = 5000 Hz
Wave length = 20cm = 0.2m
So, its speed = F × WL
= 5000 × 0.2 = 1000 m/s
So it take time = 2000 m / 1000 m/s
= 2 second
Wave length = 20cm = 0.2m
So, its speed = F × WL
= 5000 × 0.2 = 1000 m/s
So it take time = 2000 m / 1000 m/s
= 2 second
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