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JEE Main 25 July 2021 Shift 1 Solved Paper

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Question : 5

Total: 90

A particle of mass 4M at rest disintegrates into two particles of mass M and 3M respectively having non zero velocities. The ratio of de-Broglie wavelength of particle of mass M to that of mass 3Mwill be :

[25 Jul 2021 Shift 1]

1:3
3:1
1:√3
1:1

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