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NEET 1993 (AIPMT) · Kinetic Energy & Momentum

Kinetic Energy & Momentum question from NEET 1993 (AIPMT)

Q20NEET 1993 · AIPMTEasy

Kinetic Energy & Momentum

Two masses of $1\text{ g}$ and $9\text{ g}$ are moving with equal kinetic energies. The ratio of the magnitudes of their respective linear momenta is

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Answer: (c)

Equal KE: $p \propto \sqrt{m}$ .
$\frac{p_1}{p_2} = \sqrt{\frac{1}{9}} = \frac{1}{3}$
So the answer is (c) $1 : 3$ .

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