a progressive wave travels in medium M1 and enter

Question

a progressive wave travels in medium M1 and enters a medium M2 in which its speed decreases to 75%.the amplitude of incident wave, reflected wave and transmitted wave are Ai,Ar andAt respectively.Then At/Ai=

Arun · Accepted Answer

v_{2}=\frac{3}{4}v_{1} \Rightarrow \frac{A_{r}}{A_{i}}= \frac{v_{2}-v_{1}}{v_{2}+v_{1}}\Rightarrow \frac{\frac{3}{4}-1}{\frac{3}{4}+1}= \frac{1}{7}Amplitude of reflected wave - A_{r}= \frac{\left ( V_{2}-V_{1} \right )A_{i}}{\left ( V_{2}+V_{1} \right )} A_{r}= amplitude of reflected wave - whereinV_{1}\; and \; V_{2} are velocity of wave in incident and transmitted wave. A_{i}= amplitude of incident wave

IIT JEE Entrance Exam> a progressive wave travels in medium M1 a...

a progressive wave travels in medium M1 and enters a medium M2 in which its speed decreases to 75%.the amplitude of incident wave, reflected wave and transmitted wave are Ai,Ar andAt respectively.Then At/Ai=

prasad , 6 Years ago

Arun

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IIT JEE Entrance Exam> a progressive wave travels in medium M1 a...

a progressive wave travels in medium M1 and enters a medium M2 in which its speed decreases to 75%.the amplitude of incident wave, reflected wave and transmitted wave are Ai,Ar andAt respectively.Then At/Ai=

prasad , 6 Years ago

Arun

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