AIPMT PRELIMS2012Physics-Mechanics
AIPMT PRELIMS 2012 Physics Collisions MCQ Question
Type: MCQ-numerical-Hard-Class 11
Two spheres A and B of masses m₁ and m₂ respectively collide. A is at rest initially and B is moving with velocity v along x-axis. After collision B has a velocity in a direction perpendicular to the original direction. The mass A moves after collision in the direction

A
θ = tan⁻¹ (√2) to the x-axis
B
same as that of B
C
opposite to that of B
D
θ = tan⁻¹ (1/√2) to the x-axis
Correct Answer
Option D
Detailed Explanation
Using conservation of momentum and geometry, the angle θ is calculated as tan⁻¹ (1/√2).
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