3 in one WAEC PHYSICS PRACTICAL ALTERNATIVE B OPTICS 2024

Поделиться
HTML-код
  • Опубликовано: 18 сен 2024
  • Three possible optics questions WAEC physics practical alternative B 2024.

Комментарии • 11

  • @Enjay-rx6sn
    @Enjay-rx6sn 3 месяца назад

    Please can you plot the graph and see whether the line of best fit is accurate

    • @onyebuchiukeoma5893
      @onyebuchiukeoma5893 3 месяца назад

      Sir why is it not advisable to use the focal length given for the determination of "v"??

    • @yousciencelab5307
      @yousciencelab5307  3 месяца назад +1

      In the 1, you're to plot P against T. Ans P = (1+y²)/y not P = (1 + y²)/20. It was a typo error. Besides, I only made the video to show how you can get the readings.
      In 2, you're to plot m⁻¹ against U.
      In 3, you're plotting D² - L² against D.
      I'll try and plot the graphs and then give you feedback here on this comment.

    • @danielkaro4739
      @danielkaro4739 3 месяца назад

      So direct

    • @danielkaro4739
      @danielkaro4739 3 месяца назад

      Working thoroughly on the electricity hw to explain the 1.1 and thereabout sir

    • @yousciencelab5307
      @yousciencelab5307  3 месяца назад

      @danielkaro4739 okay. That 1.1 isn't fixed. You can actually determine the value of r by taking a single cell. Connect an ammeter first record the current, I, and then a voltmeter across it and then record the voltage, V.
      r = V/I.
      That's how to find a rough estimate for the internal resistance.

  • @Enjay-rx6sn
    @Enjay-rx6sn 3 месяца назад

    Sir i dont think the third one is somewhat reliable

  • @danielkaro4739
    @danielkaro4739 3 месяца назад

    Tnks sir u have added value.The third seems stressful but you can’t predict waec they are actually funny who knows wat May come after.Tnks for the third you are a value added to us Sir 🫡

    • @yousciencelab5307
      @yousciencelab5307  3 месяца назад

      I appreciate your comments. Thanks. The third is truly stressful and tricky. But no one knows what WAEC will come up with.