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JEE Main 8 April 2017 Paper Solved Paper

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Question : 13

Total: 90

Two wires W1 and W2 have the same radius r and respective densities ρ1 and ρ2 such that ρ2=4ρ1.They are joined together at the point O, as shown in the figure. The combination is used as a sonometer wire and kept under tension T. The point O is midway between the two bridges. When a stationary wave is set up in the composite wire, the joint is found to be a node. The ratio of the number of antinodes formed in W1 to W2 is :

[Main 8 April 2017]

1:1
1:2
1:3
4:1

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