Dr Gulshan S. answered 12/27/24
Physics Teaching is my EXPERTISE with assured improvement
Given Wavelength in air = 17m
Speed in air = 340m/s
Using v= f* Wave length
so f = Frequency = 340/17 = 20 Hz
Which remains in all cases ( does not change with medium Changing)
For water
Wave length = speed/ frequency = 1470/ 20 = 73.5 m
For Steel Wave length = 5000/20 = 250m
For Brass wave length = 3500/20 =175 m