Question

Hey ! Please help me out




Find n answer will be between (0 and 9)


No Spam !

With steps (EXPLANATION) ​

Answer 1

Answer:

n=1

Explanation:

Speed of wave = 400m/s

Wavelength = Distance between two crests/trough/mean position = 100 cm = 1m

v=Wavelength × Frequency

v=Wavelegnth/Time

400=1/T

T=1/400

1/400=n/400 , n=1

Answer 2

Answer:

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