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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

Two masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

Answer: (C)

Solution

p = √(2mK). For equal K, p ∝ √m, so p₁/p₂ = √(m₁/m₂) = √(1/4) = 1/2, i.e., p₁:p₂ = 1:2.

Question ID VK-153760