A wave disturbance in a medium is described by y(x, t)=0.02 \cos (50 \pi t+\frac{\pi}{2}) \cos (10 \pi x) where x and y are in meter and t is in second. Then

First node occurs at x=0.15 {m}

First antinode occurs at x=0.3 {m}

The speed of interfering waves is 5.0 {m} \/ {s}

JEE Advanced 2020 Concept Recapitulation Test 3 Paper 1

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A wave disturbance in a medium is described by y(x,t)=0.02‌cos(50πt+‌

)‌cos(10πx) where x and y are in meter and t is in second. Then

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