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Every JEE Main question since 2002, and the reasoning behind each one.

Practise previous-year questions, sit full mocks timed like the real exam, and see exactly which ideas cost you marks.

PhysicsJEE Main 2024 · 27 Jan · Shift 1 · Q4

Two bodies of mass 4 g and 25 g move with equal kinetic energies. The ratio of their linear momenta is:

  • 3 : 5
  • 5 : 4
  • 2 : 5
  • 4 : 5
Common trap: equal kinetic energy doesn’t mean equal momentum. At fixed energy, momentum grows with √m.