A) \[\frac{4\,u}{238}\]
B) \[-\frac{4\,u}{238}\]
C) \[\frac{4\,u}{234}\]
D) \[-\frac{4\,u}{238}\]
Correct Answer: C
Solution :
[c] |
Apply conservation of linear momentum, we get (-ve sign is for opposite direction) |
The residual nucleus will recoil with a velocity of unit. |
Recoil speed of residual nucleus is . |
NOTE If they ask the recoil velocity, then answer remains same i. e., and not as the word recoil itself is signifying the direction of motion of residual nucleus. |
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