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Question 6069
NEET Physics · Hard

Work, Energy & Power: Collisions MCQ

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CollisionsHardQuestion 6069

Question

Neutron (m) elastically hits carbon nucleus (12m) at rest. Fractional KE loss:
  1. A
    48/169
    Correct
  2. B
    12/13
  3. C
    1/13
  4. D
    144/169

Correct answer

48/169

Explanation

Fractional KE loss = 4Mm/(M+m)² = 4×12/169 = 48/169.

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