Physics A-level - June 2018 Paper 3B-A | PMT Education

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  • Опубликовано: 24 янв 2025

Комментарии • 2

  • @aydinkhan783
    @aydinkhan783 7 месяцев назад

    Great vid thank you, one question how does the ratio of H to He change if no fusion occurred

    • @arjansingh2897
      @arjansingh2897 7 месяцев назад

      The fusion that happened after the big bang caused the ratio of hydrogen and helium to 3-1 Then because the universe cooled down the ratio didn't chnage as no fusion was happening.