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Work, Energy, Power and Collision — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsWork, Energy, Power and Collision1 Mark
MCQ
A sphere collides with another sphere of identical mass. After collision, the two spheres move. The collision is inelastic. Then the angle between the directions of the two spheres is
  • A
    $90^{\circ}$
  • B
    $0^{\circ}$
  • C
    $45^{\circ}$
  • ✓
    Different from $90^{\circ}$
✓

Answer

Correct option: D.
Different from $90^{\circ}$
(d) Angle will be $90^{\circ}$ if collision is perfectly elastic

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