Question

A wave pulse of frequency 200 Hz, on a string moves a distance 4 m in 0.025 s. Calculate (a) the velocity of the pulse, and (b) the wavelength of wave on string​

Answer 1

Explanation:

= 160/200 = 0.8 m = 80 cm. ANSWER.

Answer 2

Answer:

160/200 = 0.8 m = 80 cm

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Solution

Wave velocity on string V

= velocity of wave pulse on it = 160 ms−1

From relation V= fλ ,

Wavelength of wave λ=Vf=160200=0.8m