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JEE Main 9 Apr 2019 Paper 2 Solved Paper

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Question : 30

Total: 90

A particle ‘P’ is formed due to a completely inelastic collision of particles ‘x’ and ‘y’ having de-Broglie wavelengths ‘λx ’ and ‘λy ’ respectively. If x and y were moving in opposite directions, then the de-Broglie wavelength of ‘P’ is:

λx−λy
λxλy
|λx−λy |
λx+λy
λxλy
|λx+λy |

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