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Grade: 8 
        
A wave of frequency 2000 Hz travels between X and Y , a distance of 1020m in 3 seconds . The number of wavelengths there in distance X and Y
 
21 days ago

Answers : (1)

Arun
15841 Points 
							
So, 2000 Hz means 2000 wavelengths per second.
It is given that the distance between X and Y i.e., 1020 m is travelled in 3 seconds.
This implies that number of wavelengths between X and Y is 2000 × 3 = 6000
 
 
21 days ago
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