JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Physics

Question : 19 of 90

Marks: +1, -0

A proton of mass m collides elastically with a particle of unknown mass at rest. After the collision, the proton and the unknown particle are seen moving at an angle of 90∘ with respect to each other. The mass of unknown particle is :

[15 Apr 2018 Shift 2]

m
2 m
‌
m
√3
‌
m
2

Validate

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