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  1. A

    OLevel Physics Lens Question, please answer quickly!! :(

    Also, do u have a sample question related to this? from Past papers or anywhere... Hey and can you explain what optical pins are used for in refraction experiments? like what is the point in using them? I dont get it :( Edit: I made a question on my own, solved for the focal length. Then...
  2. A

    OLevel Physics Lens Question, please answer quickly!! :(

    FLRNAB Y U SO AWESOME! but hey, the equation isn't part of the syllabus right?
  3. A

    Biology; Chemistry; Physics: Post your doubts here!

    Guys answer my question maybe?
  4. A

    OLevel Physics Lens Question, please answer quickly!! :(

    The syllabus states ''draw scale diagrams to determine the focal length of a converging lens needed for particular values of magnification'' How do we do this! And please read the question carefully before you answer.
  5. A

    Biology; Chemistry; Physics: Post your doubts here!

    Hey guys, the syllabus states we have to ''*draw scale diagrams to determine the focal length needed for particular values of magnification (converging lens only).'' Could someone tell me how this is done?
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