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1. নিচের কোনটি কৌণিক ভরবেগের সংরক্ষণ সূত্র? (Which of the following represents the law of conservation of angular momentum?)

  • A. L = 0
  • B. L = 0
  • C. L = 0
  • D. L = 0

Answer: Option C

Explanation:


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