A) 5.5 mm, 60 KHz
B) 330 m, 60 KHz
C) 5.5 mm, 20 KHz
D) 5.5 mm, 80 KHz
Correct Answer: A
Solution :
Frequency of waves remains same, i.e. 60 Hz and wavelength \[\lambda =\frac{v}{n}=\frac{330}{60\times {{10}^{3}}}\]= 5.5 mm.You need to login to perform this action.
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