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  • Two sinusoidal waves with same wavelength and amplitudes travel in opposite direction along a string with a speed 10 m/s . If the minimum time intervel between two instant when the string is flat i

Two sinusoidal waves with same wavelength and amplitudes travel in opposite direction along a string with a speed 10 m/s . If the minimum time intervel between two instant when the string is flat is 0.55 , the wavelength of the waves is -

 

Option: 1

25 m


Option: 2

20 m


Option: 3

15 m


Option: 4

10 m


Answers (1)

best_answer

Minimum time interval between two instant when the string is flat \mathrm{\begin{aligned} & \frac{T}{2}=0.5 \mathrm{~s} \\ & T=1 \mathrm{sec} \end{aligned}}

Hence, \mathrm{\begin{aligned} & \lambda=V \times T \\ & \lambda=10 \times 1=10 \mathrm{~m} \end{aligned}}

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SANGALDEEP SINGH

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