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When the wave travels from denser to rarer medium
Option: 1
Speed of wave increases

Option: 2
wavelength of wave decreases

Option: 3
amplitude of wave increases

Option: 4
there is no change in phase angle

Answers (1)

best_answer

$A_t=\left(\frac{2 V_2}{V_1+V_2}\right) A_i$

$\therefore$ speed of wave travels from denser to rarer medium increases

$\text { If } V_2>V_1 \text { then } A_t>A_{\text {i }}$

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Anam Khan

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