6. A sound wave has a frequency 2Hz and wave length 40 cm. How long will it take to travel
1.6 Km.
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Wavelength=Speed/Frequency
40cm=0.4m
0.4=speed/2.so,speed=0.8 m/s
Time=distance/speed
1.6km=1600m
So,time=1600/0.8
So,time=2000seconds
40cm=0.4m
0.4=speed/2.so,speed=0.8 m/s
Time=distance/speed
1.6km=1600m
So,time=1600/0.8
So,time=2000seconds
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