Q155 / 160 · AP EAMCET 2025 (21 MAY SHIFT 2) · Physics

A particle of mass $8 \mu \mathrm{~g}$ in motion collides with another stationary particle of mass $4 \mu \mathrm{~g}$. If the collision is perfectly elastic and one dimensional, the ratio of their de Broglie wavelengths after collision is

A
4:1
B
3:1
C
1:1
Correct answer
D
2:1

Hence, the correct answer is option: 'D'.

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