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JEE Advanced 2020 Full Test 3 Paper 2

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Question : 13

Total: 54

A wave disturbance in a medium is described by y(x,t)=0.02‌cos(50πt+π∕2)‌cos(10πx) where ' x ' and 'y' are in metre and 't' in seconds.

A node occurs at x=0.15m
An antinode occurs at x=0.3m
The speed of the component wave is 5.0m∕s
The wavelength is 0.2m.

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